15 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... Sources #Causes ... #Bacteria #Etiology ... #Differential #
HACEK is the acronym commonly used to describe and help doctors to remember a group of
fastidious Gram-negative ... which normally live ... which can also cause ... infective endocarditis ... bacteria.
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... infective endocarditis ... under BCNIE, these bacteria ... #differential # ... #Endocarditis #
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... for Concurrent ... • Bacteria: Strep ... phenomena from endocarditis ... Diagnosis #causes
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Differentiating NBTE from Infective ... Features of Non-Bacterial ... valves • MRI brain ... in up to 30% of cases ... often seen • MRI brain
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Lung Lesions • Bacteria ... phenomena from endocarditis ... #Differential # ... Diagnosis #causes
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Lung Lesions • Bacteria ... phenomena from endocarditis ... #Differential # ... Diagnosis #causes
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... but important causes ... #Infective #Endocarditis ... #diagnosis #differential
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... • Typhus, gram-negative ... Non-Infectious Causes ... Brucellosis • Liver ... Fever #Patterns #Differential
Pyogenic liver abscess in children
Common bacterial causes in children:
 • S.aureus
 • Strep spp
 • Enteric
children Common bacterial ... causes in children ... • Enteric gram negative ... artery (e.g., endocarditis ... in those with concurrent