Can CRPS exist with normal MRI and X-ray findings?

Yes. CRPS is diagnosed clinically. Imaging can help assess injury or alternative explanations, but a normal MRI or X-ray alone neither excludes CRPS nor establishes it. Review the clinical criteria and differential diagnosis.

Can CRPS develop after a relatively minor injury?

CRPS can follow injuries that appear limited in severity. That possibility does not establish causation in a particular case. Review the event, chronology, baseline, clinical findings, and competing explanations instead of relying on injury severity alone.

How is CRPS diagnosed using the Budapest Criteria?

For clinical diagnosis, continuing pain must be disproportionate to any inciting event, with at least one reported symptom in at least three of four categories and at least one observed sign in at least two categories at evaluation. The categories are sensory, vasomotor, sudomotor/edema, and motor/trophic. No other diagnosis may better explain the presentation. Clinical and research criteria have different symptom thresholds.

Does a normal EMG or nerve conduction study rule out CRPS?

No. Electrodiagnostic testing addresses particular nerve and muscle questions rather than serving as a definitive CRPS test. Interpret a normal study in light of the nerves tested, timing, technique, and suspected disorder. It does not exclude every nerve injury or neuropathy.

What is the difference between CRPS Type I and Type II?

The distinction concerns whether an associated nerve injury has been identified: Type I is without an identified major nerve injury, and Type II is associated with nerve injury. Both use the CRPS clinical framework. Classification alone does not determine impairment, prognosis, causation, or future care.

How is future medical care evaluated in a CRPS case?

Assess each proposed item against the individual clinical course, prior response, goals, alternatives, and supporting evidence. State the anticipated duration and reassessment criteria, distinguish planned care from contingent possibilities, and disclose assumptions. Counsel should identify the applicable legal standard; this guide supplies no generic monetary estimate.

What clinical questions may be disputed in CRPS litigation?

Questions may concern the criteria documentation, alternative diagnoses, chronology and causation, treatment rationale, functional limitations, and future care assumptions. Evaluate each on its evidence. This guide does not rank arguments by litigation success or presume that either side is correct.

Can CRPS persist long term?

Yes, persistent pain or impairment can occur, while other patients improve. A diagnosis alone does not establish permanence. Any individual prognosis should account for the course, response to care, functional information, and uncertainty rather than assuming a fixed progression.

Are sympathetic blocks required to diagnose CRPS or before stimulation?

A sympathetic block is not part of the Budapest diagnostic criteria. Blocks may be considered in selected treatment plans, but neither a response nor a lack of response alone settles diagnosis or causation. Do not assume that every patient requires a fixed series before stimulation; review the clinical circumstances and any separately applicable coverage requirements.

Does psychological history exclude CRPS?

No. Anxiety or depression alone does not exclude CRPS. Assess psychological health and physical findings without assuming fabrication or that every psychological symptom was caused by CRPS. The origin and significance of a particular finding require their own clinical assessment.

Is Dr. Dardashti available for CRPS expert witness review?

Dr. Dardashti offers CRPS medical-legal review for plaintiff and defense counsel. The scope may include diagnostic documentation, causation, treatment necessity, and future care. Contact Expert Medical Services at 805-267-9308 to discuss scope, conflicts, and availability.

Nationwide Pain & Injury Medical Expert Witness

CRPS Expert Witness Guide: How Pain Management Experts Evaluate Complex Regional Pain Syndrome Cases

A clinical resource for plaintiff and defense attorneys reviewing CRPS diagnosis, causation, treatment evidence, functional limitations, and future care.

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Credentials & Qualifications

Article Type: Attorney Resource
Author: Dr. Simon Dardashti, MD, MS
Specialty: Pain Management & Anesthesiology
Topic: CRPS Expert Witness Evaluation
Audience: Plaintiff & Defense Counsel
Condition: Complex Regional Pain Syndrome

Last updated: October 13, 2026 16 minutes read

Key Takeaways

Evaluate diagnosis, causation, treatment necessity, and future care as separate questions. A supported CRPS diagnosis does not by itself identify its cause or establish a legal outcome.
Distinguish reported symptoms from examination signs, identify the criteria used, and address alternative diagnoses. Missing documentation and an absent finding are different limitations.
Interpret imaging and electrodiagnostic studies for the questions they can answer. A normal result does not, by itself, settle the CRPS diagnosis.
Review the indication, alternatives, response, risks, and evidence for each proposed treatment. Neither a mandatory block series nor guaranteed durable stimulation benefit should be assumed.
Tie future care to the individual record and explain uncertainty. Avoid automatic lifetime schedules, generic monetary estimates, and promises about litigation results.

Attorney Reference

CRPS Evaluation Checklist

Organize the diagnostic evidence without treating this checklist as a causation opinion or a legal test.

Criteria and evaluation date — identify clinical versus research criteria, the examiner, and the date of assessment
Pain and reported symptoms — record the pain history and qualifying symptom categories without converting reports into observed signs
Examination signs — identify the findings observed at that evaluation and their sensory, vasomotor, sudomotor/edema, or motor/trophic category
Diagnostic thresholds — review the required symptom and sign counts alongside disproportionate pain and the absence of a better explanation
Differential diagnosis — explain relevant alternatives, supporting tests, and unresolved questions
Chronology and uncertainty — distinguish contemporaneous findings, historical findings, undocumented elements, and changes after treatment

A missing chart entry is not proof that a finding was absent. State what the available records support and what cannot be determined.

What Is CRPS?

Complex regional pain syndrome is a regional pain condition with a variable combination of sensory, autonomic, motor, and trophic features. It commonly involves an extremity. Proposed mechanisms are multiple; a general mechanism described in a review is not proof of that mechanism in an individual patient. The 2022 practical guidelines describe both clinical heterogeneity and limitations of the treatment evidence.

For medical-legal review, first identify the question being asked. Whether the diagnostic criteria are supported, whether an event caused or aggravated the condition, whether care was appropriate, and what care may be needed are separate analyses. The CRPS expertise page explains the scope of an EMS review.

CRPS Type I vs. Type II

Type I and Type II distinguish CRPS without an identified major nerve injury from CRPS associated with nerve injury. The boundary and the meaning of “major” nerve injury can require clinical judgment. Both classifications use the CRPS diagnostic framework; the label is not a measure of severity. See Harden and colleagues.

Identify how any proposed nerve injury was established, its anatomical distribution, and whether an alternative neurological disorder better explains the presentation. Do not infer identical functional impairment or future treatment needs merely because two patients have the same classification.

The Budapest Criteria

The clinical framework requires continuing disproportionate pain, symptoms in at least three of four categories, signs in at least two categories at evaluation, and no better explanatory diagnosis. One qualifying symptom or sign is needed within each counted category. The research symptom threshold differs. The validation study and published clinical table should be identified when explaining the criteria rather than combining versions.

Sensory: abnormal pain sensitivity, including hyperalgesia or allodynia.
Vasomotor: temperature or skin-color changes or asymmetry.
Sudomotor/edema: swelling or sweating changes or asymmetry.
Motor/trophic: reduced movement, motor dysfunction, or changes in hair, nails, or skin.

Map each claimed finding to its dated source, category, and status as a reported symptom or observed sign. A diagnosis label alone does not supply the underlying findings. Conversely, an incomplete record should be described as incomplete rather than treated as proof that a clinician saw no abnormality.

Sensory Findings: Allodynia and Hyperalgesia

Allodynia refers to pain from a stimulus that is ordinarily not painful; hyperalgesia refers to an increased pain response to a normally painful stimulus. The European consensus paper explains these terms. For record review, describe the stimulus, location, comparison, and recorded response rather than using “hypersensitive” as a substitute for the examination.

A sensory complaint and an elicited examination finding serve different roles in the criteria. Neither independently establishes causation, symptom authenticity, or the degree of functional limitation.

Vasomotor, Sudomotor, and Trophic Changes

Document temperature, color, swelling, sweating, and trophic observations with their date and context. Photographs and measurements may supplement a record, but their source and conditions matter. Changes can fluctuate; a hot or cold presentation should not be assigned to an inevitable disease stage. See Goebel and colleagues.

Separate an observed feature from an explanation for it. Consider competing causes of swelling or color change where relevant. Do not call any isolated physical sign impossible to influence or sufficient to resolve an allegation about symptom reporting.

Motor Findings and Functional Impairment

Review range of motion, strength, tremor or dystonia when documented, alongside daily activities and rehabilitation assessments. Distinguish a measured limitation from a reported difficulty and from a clinician's proposed explanation. Compare observations over time and explain inconsistencies without assuming their cause.

A CRPS label does not by itself establish inability to work, a particular impairment rating, or permanent loss of function. An opinion should identify the activities assessed and the limits of the available information.

Diagnostic Challenges and Differential Diagnosis

The diagnosis is clinical, and tests may help assess alternative explanations. Normal imaging alone does not exclude CRPS. Neither normal imaging nor an abnormal scan independently proves it. The European guidance distinguishes diagnosis from testing for other conditions.

Electrodiagnostic studies answer particular nerve and muscle questions. Their meaning depends on the suspected disorder, nerves tested, timing, and technique. Avoid treating a normal study as a blanket exclusion of every neuropathy or as a definitive CRPS result.

List the relevant alternative diagnoses and the evidence for or against them, including unresolved possibilities. Distinguish the present examination from an earlier diagnosis documented before treatment or clinical change.

CRPS Causation Analysis

A condition appearing after an event establishes chronology, not causation by itself. Organize the event description, prior symptoms and function, onset and evolution, diagnostic support, intervening events, and competing explanations. Distinguish new onset from aggravation of an existing condition.

Explain how the evidence supports the proposed relationship and what would change that assessment. Do not fill a missing baseline with an assumption that the patient was symptom-free. Counsel should identify the relevant legal question and standard; the physician should explain the medical reasoning and its limits.

Attorney Reference

Causation Analysis Checklist

Use a dated evidence sequence to examine the proposed relationship separately from diagnosis.

Event and baseline — identify the alleged event and available prior symptoms, function, injuries, and treatment
Chronology — distinguish reported onset, first recorded symptoms, first observed signs, and first diagnosis
Clinical relationship — explain the anatomical and clinical basis for the proposed connection without relying on timing alone
Alternatives and aggravation — address other explanations, intervening events, and possible change in a pre-existing condition
Evidence limits — identify missing records, conflicting observations, and assumptions
Question and conclusion — answer the requested medical question and distinguish medical support from the legal determination

This is an organizing framework, not a validated causation instrument or a prediction of a court outcome.

Trauma-Related CRPS

CRPS may follow trauma, including an injury that appears relatively limited. Injury severity alone should not decide whether CRPS is plausible. That general possibility does not identify the cause in a particular patient. Review the actual event, anatomical relationship, chronology, clinical findings, and other explanations.

Separate what the records show from what a published report establishes about a different patient or population. A case report of a possible trigger cannot determine how likely that trigger was in the case under review.

Surgery-Related CRPS

When symptoms follow surgery, examine the preoperative condition, reason for surgery, operative record, postoperative findings, and subsequent care. Distinguish the underlying injury, the procedure, a documented complication, and unrelated explanations.

The development of CRPS after a procedure does not itself establish negligent care. Standard-of-care review and causation review require their own evidence and conclusions. See the standard-of-care review service for scope.

Delayed Diagnosis and Evolving Presentation

Distinguish a delayed diagnostic label from a delay in recognizable findings or access to care. Review what information was available at each encounter rather than assuming that the eventual diagnosis was evident earlier.

CRPS presentation can change. If a later examination does not meet the same threshold, explain its relationship to earlier findings, treatment, and alternative diagnoses. Do not assume either that an earlier diagnosis was invalid or that every current complaint remains attributable to CRPS.

An opinion that earlier recognition would have changed the outcome needs a patient-specific clinical basis and an explanation of uncertainty. Avoid treating progression or permanence as the inevitable result of a particular delay.

Medical Necessity Disputes

For each treatment, identify its indication, goals, alternatives, contraindications, risks, and documented response. Evaluate the decision using information available when it was made; distinguish that assessment from the later result.

A treatment appearing in a guideline does not establish its necessity for every patient. Clinical recommendations, insurer coverage rules, and the applicable standard-of-care question may differ. Name the specific guidance or policy relied upon and explain its applicability.

Review medication, rehabilitation, behavioral care, procedures, and neuromodulation as an individualized plan. Do not impose an unsupported requirement that every option must fail in the same order before another can be considered.

Spinal Cord Stimulation in CRPS

Published evidence includes a randomized trial of SCS with physical therapy in selected patients with chronic CRPS Type I. The trial reported pain benefit without a clinically important functional improvement. Its initial report and five-year follow-up should be considered together: early benefit should not be described as a guarantee of durable effectiveness.

The ACCURATE study compared dorsal root ganglion stimulation with conventional SCS in selected lower-extremity CRPS or causalgia. Its comparative findings do not apply automatically to upper-extremity disease, every device, or every patient. Describing a treatment here does not represent a claim that Dr. Dardashti personally offers that procedure.

For an individual recommendation, review selection, psychosocial screening, trial findings where applicable, alternatives, goals, and risks. The 2023 consensus guidance addresses these selection questions. Separate a successful trial from permanent implantation, ongoing benefit, complications, and device retention. Evidence supporting consideration of stimulation does not itself establish a lifetime future-care schedule.

Sympathetic Blocks and Interventional Management

Sympathetic blocks may have a role for selected patients, including an opportunity to participate in rehabilitation, but the practical guidelines describe limited high-quality evidence and an empirical role. A block response is not a Budapest diagnostic requirement and does not independently establish CRPS or its cause.

Review why a block was proposed, technique, measured relief, duration, functional change, and adverse effects. Do not assume a mandatory number of blocks or that a fixed block series must precede stimulation. Any separately applicable coverage rule should be identified as such.

Physical Therapy and Functional Restoration

Rehabilitation and restoration of function are important elements of CRPS management in European consensus guidance. The plan should reflect the individual's abilities, tolerance, goals, and response.

For record review, compare the prescribed plan with attendance, barriers, adaptations, and documented progress. A missed visit or incomplete course is not by itself proof of unwillingness, treatment failure, or a particular prognosis. Explain which goals improved and which remain limited.

Ketamine and Emerging Therapies

The practical guidelines discuss intravenous ketamine trials alongside limitations in longer-term evidence and adverse effects. Avoid describing ketamine as a proven cure or placing every route and protocol into one evidence category.

When reviewing any emerging therapy, identify the exact intervention, indication, study design, patient population, outcome, and duration of follow-up. Distinguish a published study from an established recommendation for this patient. A proposal for repeated care needs its own rationale, response criteria, and reassessment plan; this guide provides no dose or treatment schedule.

Psychological Factors in CRPS Litigation

Anxiety or depression does not alone exclude CRPS. Assess distress and psychological care alongside the physical presentation without equating psychological history with fabrication. Goebel and colleagues address psychological findings and distress management.

Do not presume that every psychological symptom was caused by the alleged event or by CRPS. A separate evaluation may be needed for that question. Similarly, a physical examination sign is clinical evidence, not a guarantee about motive or the impossibility of voluntary influence.

For stimulation, consensus guidance supports psychosocial assessment with validated screening, including depression assessment. Explain what the actual evaluation covered and any limitations rather than substituting a “cleared” label for its findings.

Future Medical Care Projections

A future-care opinion should state what is proposed, why, for how long, and under what assumptions. Link each item to the individual course and response. Distinguish ongoing planned care from options contingent on deterioration, response, device status, or another assessment.

Identify reassessment points and alternatives. Device replacement or revision assumptions should reflect the actual system and clinical circumstances, rather than an automatic interval or a generic lifetime template. Explain where prognosis, frequency, and duration remain uncertain. Counsel should identify the applicable legal standard.

Attorney Reference

Future Medical Care Evaluation Framework

Separate medically supported care from contingent possibilities and disclose the assumptions for each item.

Cost Category	Verification Standard
Medication and follow-up	Current indication, benefit, adverse effects, monitoring, duration, and reassessment.
Rehabilitation and behavioral care	Individual goals, prior response, barriers, proposed course, and review criteria.
Procedures	Specific indication, alternatives, prior response, risks, and conditions for repetition.
Neuromodulation	Selection, trial where applicable, device status, response, follow-up, and contingent revision needs.
Projection assumptions	Separate clinical recommendations from valuation; disclose uncertain duration and contingent items.

No generic fees, dollar estimates, replacement intervals, or lifetime treatment quantities are supplied here. Individual projections require current case-specific information.

Independent Medical Evaluations in CRPS Cases

An evaluation should identify the requested scope, records reviewed, history source, examination methods, and limits. Relate present findings to the dated treatment record rather than treating one encounter as a substitute for the entire course.

Distinguish reported symptoms, observed signs, diagnostic interpretation, function, and causation. Explain material discrepancies and missing information without presuming dishonesty. If an issue falls outside the evaluator's expertise or cannot be resolved from the evidence, say so. See independent medical evaluations.

Defense Arguments

Potential questions include whether the diagnostic criteria were supported, whether an alternative explanation is better supported, whether the alleged event explains the course, and whether proposed care reflects documented needs. These are questions to evaluate, not arguments presumed valid because one party raises them.

A useful review identifies evidence supporting and limiting each conclusion. Avoid predicting which challenge is “most successful,” treating normal testing as dispositive, or using a missing chart entry as proof that a symptom or sign did not occur.

Plaintiff Arguments

Potential supporting evidence includes dated criteria findings, a coherent clinical chronology, consideration of alternatives, documented treatment response, and functional information. Explain how each supports the particular opinion and acknowledge contrary information.

A diagnostic label, temporal sequence, or literature example alone does not establish every element of a claim. Medical opinions should retain the same reasoning and evidence limits regardless of which party requests the review.

Common Mistakes Attorneys Make in CRPS Cases

Combining diagnosis, causation, treatment necessity, and future care into a single conclusion.
Counting patient reports as examination signs or mixing clinical and research thresholds.
Equating missing documentation with an observed absence, or overlooking clinical change over time.
Treating an imaging result, nerve study, or block response as a definitive CRPS test.
Extending a study's findings to a different population, device, outcome, or follow-up period.
Presenting a guideline, coverage policy, or future treatment possibility as a universal requirement.
Using generic fees, litigation outcome predictions, or unsupported lifetime quantities in a clinical explanation.

Deposition and Trial Testimony Considerations

Prepare a dated record map for each material opinion and identify the exact source relied upon. Separate observations from inferences and distinguish what was known at the time of care from later information. Be ready to explain contrary evidence, missing information, and alternative interpretations.

When discussing research, identify the actual article, population, intervention, comparator, outcomes, and follow-up. Do not represent this educational website as the evidence for a patient-specific conclusion. Explain whether a statement is a clinical criterion, a consensus recommendation, a trial finding, or an organizing approach used in review.

Acknowledge limits and correct an inaccurate public statement when identified. Neither the website nor a medical diagnosis determines admissibility, legal responsibility, damages, or the result of litigation.

Questions Attorneys Should Ask

What is the specific medical question, and what records or examination would be needed to answer it?
Which diagnostic criteria and dated findings support the opinion?
How are causation, aggravation, and competing explanations addressed separately?
Which studies or guidance apply to this patient's proposed treatment, and what are their limitations?
What assumptions and contingent items are included in future care?
What relevant clinical and medical-legal experience can the expert substantiate?
Are conflicts, availability, requested scope, and scheduling clear before engagement?

Conclusion

A useful CRPS medical-legal review separates diagnosis, cause, treatment, function, and prognosis. It identifies the supporting record, addresses alternatives, and states uncertainty without promises about treatment or litigation outcomes.

Dr. Dardashti offers review for plaintiff and defense counsel. Contact Expert Medical Services at 805-267-9308 to discuss scope, conflicts, and availability.

Editorial Note: This article provides educational clinical context. Individual medical opinions depend on the evidence and the question presented. It is not individualized treatment advice or legal advice.

Clinical Review Sources

These references support the clinical discussion within the limits noted below. They do not establish the cause, treatment needs, legal standard, or outcome of an individual case.

Harden RN, Bruehl S, Perez RSG, et al. Validation of proposed diagnostic criteria (the “Budapest Criteria”) for Complex Regional Pain Syndrome. Pain. 2010;150(2):268–274. Diagnostic validation; not a test of accident causation.
Harden RN, McCabe CS, Goebel A, et al. Complex Regional Pain Syndrome: Practical Diagnostic and Treatment Guidelines, 5th Edition. Pain Medicine. 2022;23(Suppl 1):S1–S53. Clinical guidance that describes evidence limitations and individualized care.
Goebel A, Barker C, Birklein F, et al. Standards for the diagnosis and management of complex regional pain syndrome: Results of a European Pain Federation task force. European Journal of Pain. 2019;23(4):641–651. European consensus guidance; not a statement of a United States legal standard.
Kemler MA, Barendse GAM, van Kleef M, et al. Spinal cord stimulation in patients with chronic reflex sympathetic dystrophy. New England Journal of Medicine. 2000;343(9):618–624. Randomized trial in selected patients; pain and functional outcomes must be distinguished.
Kemler MA, de Vet HCW, Barendse GAM, van den Wildenberg FAJM, van Kleef M. Effect of spinal cord stimulation for chronic complex regional pain syndrome Type I: five-year final follow-up of patients in a randomized controlled trial. Journal of Neurosurgery. 2008;108(2):292–298. Longer follow-up of the earlier trial; relevant to limits of durability claims.
Deer TR, Levy RM, Kramer J, et al. Dorsal root ganglion stimulation yielded higher treatment success rate for complex regional pain syndrome and causalgia at 3 and 12 months: a randomized comparative trial. Pain. 2017;158(4):669–681. ACCURATE trial: selected lower-extremity CRPS or causalgia; not all diagnoses, devices, or patients.
Shanthanna H, Eldabe S, Provenzano DA, et al. Evidence-based consensus guidelines on patient selection and trial stimulation for spinal cord stimulation therapy for chronic non-cancer pain. Regional Anesthesia and Pain Medicine. 2023;48(6):273–287. Patient selection, psychosocial screening, and trial assessment; not a damages calculation.

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Related Services & Expertise

CRPS Expert Witness

Complex Regional Pain Syndrome — Budapest Criteria review, causation analysis, future care, and expert testimony for plaintiff and defense.

Causation Analysis

Mechanism-of-injury to diagnosis analysis — linking trauma or surgery to CRPS through a clinically grounded causation framework.

Future Medical Care Review

Evidence-based CRPS future care projections — SCS, pharmacological management, sympathetic blocks, and long-term rehabilitation needs.

Medical Necessity Review

Physician-level necessity analysis for CRPS treatment disputes — interventional procedures, SCS, and long-term pharmacological management.

Independent Medical Evaluations

Objective physician IME for CRPS — Budapest Criteria examination, clinical findings, and written opinion for litigation.

Standard of Care Analysis

Standard of care review for CRPS malpractice cases — diagnosis delay, treatment escalation, and neuromodulation decision-making.

FAQ

Frequently Asked Questions for Attorneys: CRPS Litigation

: Yes. CRPS is diagnosed clinically. Imaging can help assess injury or alternative explanations, but a normal MRI or X-ray alone neither excludes CRPS nor establishes it. Review the clinical criteria and differential diagnosis.
: CRPS can follow injuries that appear limited in severity. That possibility does not establish causation in a particular case. Review the event, chronology, baseline, clinical findings, and competing explanations instead of relying on injury severity alone.
: For clinical diagnosis, continuing pain must be disproportionate to any inciting event, with at least one reported symptom in at least three of four categories and at least one observed sign in at least two categories at evaluation. The categories are sensory, vasomotor, sudomotor/edema, and motor/trophic. No other diagnosis may better explain the presentation. Clinical and research criteria have different symptom thresholds.
: No. Electrodiagnostic testing addresses particular nerve and muscle questions rather than serving as a definitive CRPS test. Interpret a normal study in light of the nerves tested, timing, technique, and suspected disorder. It does not exclude every nerve injury or neuropathy.
: The distinction concerns whether an associated nerve injury has been identified: Type I is without an identified major nerve injury, and Type II is associated with nerve injury. Both use the CRPS clinical framework. Classification alone does not determine impairment, prognosis, causation, or future care.
: Stimulation may be considered for selected patients with persistent pain and functional limitations after appropriate individualized care. Review selection, psychosocial screening, trial findings where applicable, alternatives, and risks. Published trials do not guarantee individual functional improvement, durable benefit, or the need for lifetime device care.
: Assess each proposed item against the individual clinical course, prior response, goals, alternatives, and supporting evidence. State the anticipated duration and reassessment criteria, distinguish planned care from contingent possibilities, and disclose assumptions. Counsel should identify the applicable legal standard; this guide supplies no generic monetary estimate.
: Questions may concern the criteria documentation, alternative diagnoses, chronology and causation, treatment rationale, functional limitations, and future care assumptions. Evaluate each on its evidence. This guide does not rank arguments by litigation success or presume that either side is correct.
: Yes, persistent pain or impairment can occur, while other patients improve. A diagnosis alone does not establish permanence. Any individual prognosis should account for the course, response to care, functional information, and uncertainty rather than assuming a fixed progression.
: A sympathetic block is not part of the Budapest diagnostic criteria. Blocks may be considered in selected treatment plans, but neither a response nor a lack of response alone settles diagnosis or causation. Do not assume that every patient requires a fixed series before stimulation; review the clinical circumstances and any separately applicable coverage requirements.
: No. Anxiety or depression alone does not exclude CRPS. Assess psychological health and physical findings without assuming fabrication or that every psychological symptom was caused by CRPS. The origin and significance of a particular finding require their own clinical assessment.
: Dr. Dardashti offers CRPS medical-legal review for plaintiff and defense counsel. The scope may include diagnostic documentation, causation, treatment necessity, and future care. Contact Expert Medical Services at 805-267-9308 to discuss scope, conflicts, and availability.

Expert Medical Services LLC

Discuss a CRPS Medical-Legal Review

Dr. Dardashti provides CRPS expert witness review, causation analysis, Budapest Criteria evaluation, and future medical care opinions for plaintiff and defense counsel nationwide. Call 805-267-9308.

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