12 results
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Acromioclavicular Joint ... Dermatomes Abdominal Muscles ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Diagnosis Algorithm ... • Rickets Hip Joint ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK ... #Differential #
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Fever/Chills/Joint ... Intra-articulation fracture - Patellar ... #diagnosis #msk
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Ligament • Bone • Muscle ... -60 minutes or longer ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... with joint-space ... mass and NO prior signs ... Differential diagnosis ... #msk #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... Diagnosis Framework ... noninflammatory Signs ... #Diagnosis #MSK ... #rheumatology #
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... • De Winter syndrome ... V2 • Wellens sign ... Equivalents #ECG #EKG #diagnosis ... #differential #
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
in diminished muscle ... Respiratory muscles ... life-threatening Differential ... test - Cogan sign ... - Peek sign
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
deposition in joints ... forefoot, ankles, knees ... , fingers, wrist ... double contour sign ... management #treatment #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... vesicular eruption • Joints ... Palpable purpura, joint ... #Diagnosis #Rheumatology