17 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
spacing between all carpal ... box, pain with wrist ... #Dissociation #TerryThomas ... #Wrist #Scaphoid ... #Carpal #Radiology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... Erb's Palsy is caused ... Horner Syndrome Wrist ... Carpal Tunnel Syndrome ... - Causes paraesthesia
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Sensory Changes - Differential ... Compression: • Carpal ... Sensory #Neurology #Differential ... Diagnosis #Algorithm #Causes
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
and Peripheral Causes ... - Differential ... Diagnosis Central Causes ... • Semicircular canal ... #Differential #
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Monoarthritis - Differential ... involve the b/l wrists ... Monoarthritis #Differential ... #Diagnosis #Causes
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
with vascular causes ... positional episodes caused ... in semicircular canal ... test (posterior canal ... Vertigo #Algorithm #differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... otalgia Most Common Causes ... the tragus to differentiate ... external ear and ear canal ... Otolaryngology #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Bone/Joint Causes ... Hematoma Venous Causes ... • Sciatica • Tarsal ... #Leg #pain #differential
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Head and neck masses ... (80% to 90% of cases ... cause unknown) ... Hearing #Loss #Differential
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... flat-topped) papules on wrists ... #dermatology #Differential ... Diagnosis #Algorithm #causes