13 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology ... sensory #motor #arm #physicalexam
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Neuropathy - Foot drop ... Commonly caused ... stopping walking (vascular ... Myotomes #diagnosis #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Sciatica • Tarsal tunnel ... Herpes zoster - HIV ... cyanosis - Cool extremity ... pain/swelling - Fever ... #msk #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 ... cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

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

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Disruptions in vascular ... Vasculitis - Collagen disorders ... Fecal occult blood test ... #dermatology #physicalexam
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... cause unknown) ... II ○ Susac’s syndrome ... Mitochondrial disorders ... Noise trauma ○ MS
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Focal inflammatory disorder ... back pain at/near level ... defined sensory level ... negative, MOG-IgG test ... diagnosis #management #neurology
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
Summary Group of disorders ... : • Nephrotic syndrome ... syndrome Muscles ... activity of factor X, vascular ... neuropathy: Carpal tunnel
Newborn Infant - Routine Examination

Birthweight, gestational age and birthweight percentile are noted.
General observation Of the baby's
assessment, is best ... babies, but may drop ... The hips are checked ... dysplasia of the hips ... Newborn #Infant #PhysicalExam