15 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... • Radial Nerve ... #differential # ... diagnosis #Neuropathy ... #anatomy #arm #
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... the back of the arm ... nerve injury ... nerve injury ... #Nerve #Anatomy
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... nerve in the radial ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Liver injury ... NT) - If both are ... AST:ALT Ratios ... #chemistry #diagnosis ... #differential #
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Acute Liver Injury ... - Differential ... Diagnosis Algorithm ... NT) - If both are ... #diagnosis #algorithm
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... Posterior long arm ... Posterior #Radiology #XRay ... #Diagnosis #Management
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... anterior interosseous nerve ... brachial artery injury ... Posterior long arm ... #Diagnosis #Management
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
are the immune ... segment: Upper extremity ... , lower extremity ... conditions listed in differential ... activity between nerve
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid cavity as ... are connected) ... bone): facial nerve ... palsy • Posteriorly ... signs #symptoms #diagnosis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
also produced - ... Stimulation of nerve ... Swelling notable on Xray ... drift of fingers, radial ... signs #symptoms #diagnosis