14 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which can also cause ... is caused by HACEK ... is caused by Alpha-haemolytic ... #Diagnosis #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... #Endocarditis # ... InfectiousDiseases ... #CNIE #BCNIE #cardiology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Blood cultures/serology ... : Serial negative ... Frequent false-negative ... : + (Negative blood ... in up to 30% of cases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... factors: - Serology ... #Infective #Endocarditis ... differential #workup #infectiousdiseases
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
immunocompetent (HIV negative ... differential #algorithm #causes ... #radiology #neurology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
positive in 90% of IE cases ... • Coagulase-negative ... Septic Emboli Cause ... Treat underlying cause ... diagnosis #management #cardiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... Causes include: ... • Normal or negative ... pg/ml EKG: • Negative ... differential #diagnosis #cardiology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Physiologic Causes ... • Infective Endocarditis ... Differential #Diagnosis #Pathophysiology ... #causes #cardiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
aureus, Coagulase-negative ... Septic emboli cause ... Treat underlying cause ... Differential #Diagnosis #cardiology ... #infectiousdiseases