10 results
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... - Patient with knee ... - Positive sign ... Patellofemoral #msk #orthopedics ... #sports
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... #Orthopedics #Causes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Seronegative Reactive Syndrome ... Intra-articulation fracture - Patellar ... #diagnosis #msk
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
arcuate ligament syndrome ... patient is in the knee-to-chest ... Positive Carnett's sign ... Abdominal #Pain #differential ... #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... (Eiffel Tower sign ... #diagnosis #cardiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Diagnosis Framework ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... , Loose anagen syndrome ... Examination: • Signs ... texture at bald spots
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... • Cogan Syndrome ... purpura: strong sign ... Cryoglobulins • HIV
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Diagnosis: • Systemic ... purpura: Strong sign ... of shoulder and hip
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... papules and Gottron sign ... ) • Shawl sign ... weakness + atrophy- Hip ... #rheumatology #differential