9 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
Lower Extremity ... Dermatomes and Myotomes ... Commonly caused ... #diagnosis #neurology ... sensory #motor #leg #physicalexam
Gowers' Sign on Physical Exam

Caused by proximal muscle weakness typically seen in muscular dystrophy

#Gowers #Sign #PhysicalExam
Gowers' Sign on ... Physical Exam Caused ... #PhysicalExam # ... neurology #clinical ... #video #pediatrics
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 ... Syringomyelia • Spinal AVM ... region (S2-S4 dermatomes ... differential #diagnosis #causes ... #neurology
Transverse lines of the fingernails. (A) Beau’s lines (arrows) of the thumbnail. (B) Mees’ lines (arrowheads)
the nails can be caused ... a typical sign ... by vascular congestion ... chemotherapeutic agents should ... Ridges #Clinical #PhysicalExam
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Microglial cells are ... - Causes progressive ... 4) progressive muscular ... , lower extremity ... Lateral #Sclerosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... Non-compressive Spinal Cord Causes ... Vascular/Blockage ... , lower extremity ... disorders #diagnosis #neurology
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
is also a late sign ... observed for signs ... pressure in the arms ... Newborn #Infant #PhysicalExam ... Examination #Peds #Pediatrics
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... loss, arthralgia, arm ... bruits, asymmetric arm ... proximal muscles of shoulder ... tract, and often causes