Approach to the Critical Patient

Immediate priorities

Urgent orthopedic consultation triggers

Hemodynamic and systemic stability

Key decision points

Skeletal maturity determination

Lesion stability assessment

Disposition branching

PEARLS

Clinical pearls for OCD

PITFALLS

Common diagnostic pitfalls

History

Presenting symptoms

Core symptom complex

Symptom characterization

Temporal and activity context

Risk factors

Demographic and activity risk profile

Alarm features

High-risk historical features requiring urgent evaluation

Review of systems

Systemic and multi-joint assessment

Past medical and family history

Relevant prior history

Physical Exam

Gait and weight-bearing assessment

Gait analysis

Knee joint examination

Effusion assessment

Range of motion

Palpation

Special tests

Wilson test

Ligamentous stability testing

Quadriceps assessment

Contralateral and hip examination

Contralateral knee exam

Hip examination

PITFALLS

Physical examination pitfalls

Differential Diagnosis

Life-threatening and urgent diagnoses

Diagnoses not to miss

Traumatic and mechanical diagnoses

Acute traumatic conditions

Developmental and overuse diagnoses

Pediatric-specific diagnoses

Mimics requiring differentiation

Conditions mimicking OCD on imaging

Laboratory Tests

Infection and inflammation markers

Laboratory exclusion of infection and inflammation

Synovial fluid analysis

Joint aspiration fluid analysis

Metabolic and nutritional labs

Bone health assessment

Rheumatologic workup

Inflammatory arthritis exclusion

Diagnostic Tests

Scoring Systems

OCD lesion staging and classification systems

MRI

MRI indications and protocol

CT

CT indications and role

Ultrasound

Ultrasound role in OCD

Plain radiography

Radiograph protocol and findings

Arthroscopy

Arthroscopy as diagnostic and therapeutic tool

Disposition

Discharge criteria

Safe discharge parameters

Urgent orthopedic referral

Same-day or next-day consultation triggers

Admission criteria

Indications for hospital admission

Follow-up planning

Structured monitoring plan for conservative management

Treatment

Activity restriction and conservative management

Conservative management for stable lesions with open physes

Physical therapy

Rehabilitation program

Pharmacologic management

Analgesia and anti-inflammatory therapy

Surgical management — indications

Indications for surgical intervention

Surgical procedures — stable failed conservative

Drilling procedures for stable lesions

Surgical procedures — unstable repairable lesions

Fragment fixation for unstable but repairable lesions

Surgical procedures — non-repairable lesions

Cartilage restoration procedures

Return to sport

Return-to-sport criteria and timeline

Special Populations

Pregnancy

OCD in pregnancy

Geriatric

OCD in older adults

Pediatrics

Juvenile OCD (open physes)

Background

Epidemiology

Incidence and prevalence data

Pathophysiology

Etiology and pathologic mechanisms

Therapeutic Considerations

Evidence base for treatment decisions

Patient Discharge Instructions

copy discharge instructions

Osteochondritis Dissecans — Discharge Instructions

References

Guidelines and key sources

Primary clinical practice guidelines

Systematic reviews and key studies

Landmark studies and systematic reviews

SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.