12 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity Nerve ... • Radial Nerve ... #Pathologies #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 ... of elbow, wrist ... the wrist and elbow ... #Nerve #Anatomy ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Conditions Erb's Palsy ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
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 ... Posterior long arm ... Humerus #Radiology #XRay ... #Diagnosis #Management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Exam: swollen elbow ... posterior interosseous nerve ... Posterior long arm ... Ulnar #Radiology #XRay ... #Diagnosis #Management
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
are connected) ... • Through aditus ... bone): facial nerve ... palsy • Posteriorly ... signs #symptoms #diagnosis
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm ... NT) - If both are ... #hepatitis #differential ... #diagnosis #algorithm
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
NT) - If both are ... ALT AST:ALT Ratios ... intestines, White blood cells ... #chemistry #diagnosis ... #differential #
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
• Plasma cells ... Stimulation of nerve ... Swelling notable on Xray ... drift of fingers, radial ... signs #symptoms #diagnosis