5 results
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
elbow, wrist and ... Sensation to the skin over ... the back of the arm ... drop: ECRB and ... #Anatomy #diagnosis
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Pronation - C7, C8 Wrist ... drop - Occurs after ... #Myotomes #diagnosis ... sensory #motor #arm
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Neuropathy - Foot drop ... sensory disturbance over ... damage to peroneal nerve ... #Myotomes #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential Diagnosis ... fingers, volar wrists ... Erosive pustular dermatosis ... eventually scab over ... #Differential #Diagnosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs over ... Lichen planus - Wrists ... Extensor surfaces of arms ... extremities, flexor wrists ... #differential #diagnosis