21 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
onto outstretched hand ... extension • ... commonly, 60%; also ... nerve injury ... #XRay #Diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
onto outstretched hand ... dorsum of the hand ... ulna, pain with wrist ... flexion and extension ... #XRay #Diagnosis
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
onto outstretched hand ... variable gross wrist ... nerve injury, acute ... carpal tunnel syndrome ... #Diagnosis #Management
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... onto outstretched hand ... extension • Possible ... #Radiology #XRay ... #Diagnosis #Management
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
proximal portion as ... onto outstretched hand ... Scaphoid #Fracture #Wrist ... #XRay #Diagnosis ... #Management #Orthopedics
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
• Plasma cells ... Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... signs #symptoms #diagnosis
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... evaluation should also ... disruption ○ Otitis media ... #Diagnosis #otology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Clonus, Spasticity, Extensor ... - Medical time ... conditions listed in differential ... activity between nerve ... #management
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Chronic Otitis Media ... mastoid cavity as ... cavities Stage 5: Extension ... bone): facial nerve ... signs #symptoms #diagnosis