52 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Reflexes: • Knee ... • Cauda Equina Syndrome ... Commonly caused ... Myotomes #diagnosis #neurology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... fracture - Patellar dislocation ... #Effusions #causes
Orthopedic Dislocations (Shoulder, Elbow and Hip) - Diagnosis and Management Summary
Shoulder Dislocation
 • Fall on the
Orthopedic Dislocations ... Diagnosis and Management ... elbow fully as a test ... Affected hip and knee ... Hip #Diagnosis #Management
Diagnosis and Management of Hypernatremia

#Hypernatremia #Differential #Algorithm #Causes #Nephrology #Diagnosis

** GrepMed Recommended Text: Nephrology Secrets -
Diagnosis and Management ... Differential #Algorithm #Causes ... #Nephrology #Diagnosis ... GrepMed Recommended Text ... : Nephrology Secrets
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 ... region (S2-S4 dermatomes ... • Provocative Tests ... absent anal wink test ... #neurology
Adie's Pupil on Physical Exam

Adie's pupil is a neurological disorder characterized by a tonically dilated pupil
i.e., light-near dissociation ... It is caused by ... infection which causes ... ophthalmology #neurology ... #syndrome
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... no light-near dissociation ... • Other causes ... #PhysicalExam #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Fracture • Hip dislocation ... Valgus position of knee ... pathophysiology #causes
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Diagnosis and Management ... the preferred test ... the workup • Test ... Purulent Arthritis Syndrome ... Distal joints, knees