v4.1 Fusion X
Caused by recurrent hemarthrosis in hemophilia A/B leading to synovitis, cartilage loss, and arthritis. Target joints: knee, ankle, elbow—recurrent bl...
Surgical emergency: cartilage can be destroyed within 24–48 hours; prompt drainage + antibiotics is critical. Children: hematogenous origin common; hi...
Second most common osteoarticular TB after spine; insidious monoarthritis progressing through stages. Typical deformity: flexion, adduction, external...
Common site of osteoarticular TB after spine and hip; presents with chronic monoarthritis. Phemister triad on X‑ray: peri‑articular osteopenia, margin...
SLAP = Superior Labrum Anterior to Posterior tear at the biceps anchor; pain is deep, activity‑related, with mechanical clicking. Snyder classificatio...
Functional elbow arc ≈ 30–130° flexion and 50°/50° pronation–supination (Morrey). Common causes: trauma, HO, prolonged immobilization, intra‑articular...
TFCC stabilizes the distal radioulnar joint and dissipates ulnar‑sided load. Palpable 'fovea sign', ulnar grind, and DRUJ shift test support diagnosis...
Supraspinatus most commonly torn; tears progress from partial to full‑thickness and can propagate posteriorly/anteriorly. Painful arc, night pain, and...
TUBS (Traumatic, Unidirectional, Bankart, Surgery) vs AMBRI (Atraumatic, Multidirectional, Bilateral, Rehab, Inferior capsular shift). Glenoid bone lo...
External (periosteal) vs internal (endosteal) callus; bridging and uniting fragments. Primary (contact) healing has minimal/no callus under rigid stab...