8 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Dermatomes and Myotomes ... #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Commonly caused ... stopping walking (vascular ... #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
 •
- Emergency Causes ... lumbar stenosis • Vascular ... region (S2-S4 dermatomes ... differential #diagnosis #causes ... #neurology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... hemolytic-uremic syndrome ... Nephrocalcinosis causes ... #Algorithm #differential ... #nephrology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Non-compressive Spinal Cord Causes ... Vascular/Blockage ... MCTD, Sjogren syndrome ... disorders #diagnosis #neurology ... differential #algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... hemorrhage, which are ... Disruptions in vascular ... #physicalexam
Myoedema in Hypothyroidism on Physical Exam

Hypothyroidism is a clinical syndrome resulting from the production, secretion or
is a clinical syndrome ... There are several ... reflex hammer, caused ... Hypothyroidism #PhysicalExam ... clinical #video #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulse deficits vascular ... bruits, asymmetric arm ... proximal muscles of shoulder ... affects the skin, neurologic ... tract, and often causes