16 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
" ± Horner Syndrome ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Tunnel Syndrome ... tunnel syndrome ... Grasp #Weakness #Hand ... #Carpal #Tunnel ... #orthopedics #msk
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... brain injury By Association ... #Hyperthermia #Differential ... #Causes #Anesthesiology ... #Diagnosis #Management
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 ... - Differential ... Diagnosis Framework ... fracture - Patellar dislocation ... diagnosis #msk #
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... tunnel syndrome ... #diagnosis #lower ... #extremity #msk
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Differential ... Diagnosis Central ... • Semicircular canal ... Amy Chung, MD, MSc ... #Differential #
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Reflexes: • Knee ... • Cauda Equina Syndrome ... saddle (perineal) anesthesia ... Commonly caused ... Dermatomes #Myotomes #diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Fracture • Hip dislocation ... Valgus position of knee ... pathophysiology #causes ... symptoms #signs #diagnosis ... #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
: • Nephrotic syndrome ... protein-albumin" dissociation ... arthropathy • Carpal ... tunnel syndrome ... tunnel, neuropathy