4 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... regimental badge" anesthesia ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... saddle (perineal) anesthesia ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... • S - Saddle anesthesia ... Syringomyelia • Spinal AVM ... region (S2-S4 dermatomes ... diagnosis #causes #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemorrhage, which are ... for hepatitis B and ... Skin biopsy • Abdominal ... ultrasound # ... #dermatology #physicalexam