26 results
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... prosthetic valve endocarditis ... #Infective #Endocarditis ... Sources #Causes #Bacteria ... #Differential #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... cause of: CAP, Bacterial ... peritonitis, and endocarditis ... Meningitis 10-14 days, Endocarditis ... Pneumoniae #strep #microbiology
Infective Endocarditis - Indications for Surgery - "Fun-HEARTS" Mnemonic

Fungal endocarditis
Heart failure (valve dysfunction)
Enterococcus (VRE) endocarditis
Abscess, annular
Infective Endocarditis ... Fun-HEARTS" Mnemonic Fungal ... endocarditis Heart ... Time, sustained bacteremia ... / pSeudomonas endocarditis
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... have a fastidious bacteria ... this be a non-bacterial ... Fungal (Histoplasma ... #Infective #Endocarditis
Growth Patterns - Molds, Yeasts and Dimorphic 
 • Mold - Arial mycelia and vegitative mycelia
• Yeast - Bacterial-like ... temperatures and bacterial-like ... Growth #Patterns #microbiology ... #fungal #fungus
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... Tropheryma whipplei, Fungi ... under BCNIE, these bacteria ... culture #negative #Endocarditis ... InfectiousDiseases #Microbiology
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Gram-negative bacilli - Fungi ... Gram-negative bacilli - Fungi ... #Infective #Endocarditis ... #Bacteria #Pathogens
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
infections • Bacterial ... VZV, CMV, HIV • Fungal ... Diagnosis #viral #fungal ... #Microbiology
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Recurrent PE Bacterial ... • Infectious endocarditis ... • Meningitis Bacterial ... Infection: • Fungal
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... or fungi (grows ... Tropheryma whipplei, Fungi ... ) and 18S ( fungi ... Negative #Infective #Endocarditis