4 results
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
Jaw Clonus on Physical ... in his arms and legs ... #Jaw #Clonus #PhysicalExam ... Clinical #Video #ALS ... #Neurology #NEJM
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... Reflexes: • Knee ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
segment: Upper extremity ... , lower extremity ... Hyperreflexia, Increased Jaw ... Jerk reflex, Clonus ... #neurology #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, particularly scleritis ... arthralgia, arm/leg ... scalp tenderness, jaw ... affects the skin, neurologic ... purpura (lower legs