64 results
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
- Leaflet: • Infection ... , Crohn Disease ... Inflammatory: Infectious ... , Behcet Syndrome ... Ehlers-Danlos Syndrome
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... GI - Felty syndrome ... - SLE Neurologic ... , Marfan syndrome ... Cardiomyopathies - Viral infection
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- DDX: - Infection ... Osteoarthritis - Overuse syndrome ... Seronegative Reactive Syndrome ... - Acute rheumatic ... Ligamentous injuries - Meniscal
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Gastrointestinal symptoms Acute ... Disseminated Infection ... Cutaneous - Neurologic ... - Neurologic ... manifestations - Arthritis
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
encephalopathy Acute ... : - Primary Neurologic ... Inflammatory (Acute ... paraneoplastic syndromes ... neurocognitive disease
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
a.k.a. cardiorenal syndrome ... a.k.a. hepatorenal syndrome ... - Post-infectious ... Urinary tract infection ... Classification #diagnosis #nephrology
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
pneumonia • Acute ... • Acute bacterial ... Juvenile idiopathic arthritis ... • Rheumatoid arthritis ... Brucellosis Faget's Sign
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis of Acute ... : Behçet syndrome ... erythematosus,* Still disease ... hyperlipoproteinemia,* meniscal ... #Differential #Acute
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... Calcium oxalate Infectious ... Acute or chronic ... infections related ... trauma (e.g., meniscal
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Genitourinary Infection ... • Rheumatoid Arthritis ... Sicca) Syndrome ... Rheumatic Fever Acute ... • Psoriatic Arthritis