8 results
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Algorithm Infection ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... #Limp #MSK #Differential ... #Diagnosis #Algorithm
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Tendon • Ligament ... e.g., congenital hip ... #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint pain ... Infectious Knee ... #differential #diagnosis ... #msk #physicalexam
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
the preferred test ... typically part of the workup ... • Test all patients ... for HIV, Chlamydia ... Distal joints, knees
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
L5/S1 with an inferior ... Differential Diagnosis ... cord infarct • HIV ... • Provocative Tests ... absent anal wink test
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... lesions • Severe pain ... deficiency Work ... Fecal occult blood test
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Band Friction Syndrome ... - MSK Radiology ... pain with point ... Differential diagnosis ... #msk #clinical
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
nerve injury (25%) TEST ... Check hip and ankle ... drawers, and special ligament ... WORK UP: obtain ... Posterior #Injury #msk