8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Medical Emergency ... Commonly caused ... damage to peroneal nerve ... Myotomes #diagnosis #neurology ... sensory #motor #leg #physicalexam
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
weakness of the median ... nerve & Ulnar nerve ... Grasp #Weakness #Hand ... clinical #video #physicaleaxm ... #neurology #orthopedics
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
time, and can cause ... upper lip in the median ... The nerves involved ... #Pout #Reflex #PhysicalExam ... clinical #video #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... hemorrhage, which are ... Skin biopsy • Abdominal ... ultrasound # ... #dermatology #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... + MPO-ANCA MEDIUM ... - GI tract: abdominal ... extremities, upper extremity ... Supply gut -> abdominal
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... - Causes progressive ... failure Diagnosis - Medical ... activity between nerve ... Lateral #Sclerosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
loss, arthralgia, arm ... bruits, asymmetric arm ... primary condition MEDIUM ... muscle weakness • Nerves ... often causes arthritis