53 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 ... == CPPD == Think ... About CPPD When ... Asymptomatic CPPD ... Osteoarthritis with CPPD
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
H. influenzae (COPD ... Moraxella catarrhalis (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... Chlamydia pneumoniae (COPD
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
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
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
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
Hoover’s Sign on Physical Exam

Paradoxical retraction of the lower intercostal spaces on inspiration in this patient
patient in severe COPD ... PhysicalExam #clinical #video ... #pulmonary #COPD
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Deposition Disease (CPPD ... Think About CPPD ... Asymptomatic CPPD ... Weakly positively birefringent ... or not birefringent
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
pHTN, Advanced COPD ... Disease: Asthma, COPD ... Differential #Diagnosis #causes