489 results
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
birefringent - CPPD ... Sarcoid - Erosive OA ... Differential #Diagnosis #Causes
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... Osteoarthritis #OA ... #Xray #radiology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... == CPPD == Think ... About CPPD When ... Asymptomatic CPPD ... : OA in atypical
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... H. influenzae (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... #Microbiology #Causes
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
spondyloarthropathies, lupus, OA ... or pseudogout, OA ... • Non-bloody: OA ... gonorrhea, Lyme, OA ... Like in this case
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... • Asthma • COPD ... Pleural Thickening/Masses ... Pneumonia • ARDS • COPD ... Diagnosis #Algorithm #Causes
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
breathing Pulmonary Causes ... • Asthma • COPD ... PVFM) Cardiac Causes ... Hematologic Causes ... acidosis of any cause
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... Tamponade Pulmonary Causes ... - Asthma - COPD ... syndrome Other Causes ... differential #diagnosis #causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
average settings • Causes ... gas equation • Causes ... • Most common cause ... to hypoxemia • Causes ... Pneumonia, asthma, COPD
Schematic examples of the cause of acute mitral regurgitation. 
LV, left ventricle; PM, papillary mucle; SAM,
examples of the cause ... MR #Diagnosis #Causes ... #Differential #Cardiology