293 results
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
early in dz, neg birefringent ... - CPPD- Usually ... /l wrists, pos birefringent ... Differential #Diagnosis #Causes
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... About CPPD When ... Weakly positively birefringent ... or not birefringent ... Needle-shaped, negatively birefringent
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
vast majority of cases ... pyrophosphate dihydrate (CPPD ... and/or x-ray - CPPD ... Crystals - Positively birefringent ... Chondrocalcinosis #Pseudogout #CPPD
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
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Deposition Disease (CPPD ... calcium to form CPP ... Asymptomatic CPPD ... Weakly positively birefringent ... or not birefringent
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
associated with COPD ... COPD, and more specifically ... Sign #Pulmonary #COPD ... #PhysicalExam #Video
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
Tracheal Descent Sign

Paradoxical inward movement of the trachea during inspiration. Seen in this COPD patient in
Seen in this COPD ... Video via Dr. ... Sign #clinical #video ... breathing #Trachea #COPD
Campbell’s sign or Tracheal Descent in Longstanding COPD

Patients with longstanding COPD may show downward displacement of
in Longstanding COPD ... with longstanding COPD ... Tracheal #Descent #COPD ... #clinical #video
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