12 results
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
sensory • Before diagnosis ... Straight Leg Raise Test ... lateral inguinal ligament ... MeralgiaParesthetica #MSK ... #differential #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... or nerve root Symptoms ... present both at rest ... #Joint #Pain #MSK ... #differential #diagnosis
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
Psoriatic Arthritis ... tenderness over ligament ... destructive) • X-ray ... pathophysiology #diagnosis ... #signs #symptoms
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... weight-bear • Arthritic ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... on axillary x-ray ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... shoulders Signs & Symptoms ... marker Imaging: • XRay ... narrowing) • Ultrasound ... #Rheumatoid #Arthritis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... Abnormal Abdominal Ultrasound ... Abnormal Chest X-Ray ... Chronic Chest Symptoms ... #Differential #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... Presentation: Systemic Symptoms ... • Progressive symptoms ... nonspecific white and gray
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Sarcoidosis - Diagnosis ... Pulmonary: dyspnea ... Extrapulmonary: ankle arthritis ... acute sarcoidosis Pulmonary ... anterior/posterior MSK
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... progressing GN • New pulmonary ... , obstructive pulmonary ... Presentation - Systemic Symptoms ... retinopathy Lab Tests