11 results
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Diagnosis: • ... Imaging studies: • MRI ... #differential # ... diagnosis #causes
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
supine and with the knee ... degrees of flexion, hip ... One hand supports ... Ligament #clinical #video ... #physicalexam #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Seronegative Reactive Syndrome ... - Aneurysmal bone ... #diagnosis #msk
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... fragmentation and mild bone ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... #msk
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical ... #msk
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
involvement: May involve anterior ... • A clinical diagnosis ... - MRI: inflammation ... sites such as the collar ... blockers had the best
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Limp - Differential ... Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Deformity #Limp #MSK
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... and sensitive tests ... - Spinal MRI may ... nerve roots and cauda ... Guillain #Barre #Syndrome
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... Diagnosis Framework ... Normal: Air > bone ... hearing loss: Bone ... II ○ Susac’s syndrome
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Diagnosis Framework ... Pneumonia: • 3 syndromes ... of a "flu-like syndrome ... • Upper lung zone