10 results
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... Complications • Avascular ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Framework Bone ... • Sciatica • Tarsal ... #lower #extremity ... #msk #physicalexam
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... absent anal wink test
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... II ○ Susac’s syndrome ... Noise trauma ○ MS ... zoster virus ○ HIV ... #Differential #Diagnosis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
anterior chest wall, parts ... to large lower-extremity ... joints Diagnosis ... • A clinical diagnosis ... blockers had the best
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
: • Nephrotic syndrome ... muscle wasting Bone ... arthropathy • Carpal ... tunnel syndrome ... activity of factor X, vascular
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Ligament • Bone ... e.g., congenital hip ... osteopetrosis, avascular ... #Joint #Pain #MSK ... #differential #diagnosis
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... immunodeficiency virus (HIV ... paralysis of all extremity ... and sensitive tests ... Guillain #Barre #Syndrome
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and bullous or vesicular ... extremities, upper extremity ... retinopathy Lab Tests ... Cryoglobulins • HIV
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... / hypoxemia -> focus ... tests before beginning ... - Compartment syndrome ... Ethylene glycol - HIV