16 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... #negative #Endocarditis ... #InfectiousDiseases ... #Microbiology #
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
catarrhalis on culture ... and microscopy ... ) - Gram negative ... #catarrhalis #culture ... #microbiology
Coverage of common antibiotics used in the hospital

For empiric coverage, first define the type of infection,
infection, then review ... prior cultures ... Obtain cultures ... #management #infectiousdisease ... #antibiogram #pharmacology
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
and microscopy ... agar - Lactose Negative ... - gram negative ... #microbiology # ... culture
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB AFB smear microscopy ... because false-negative ... Mycobacterial culture ... Mycobacterial culture ... LatentTB #ActiveTB #InfectiousDiseases
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... test • PCR • Culture ... Chlamydia #psittaci #microbiology ... management #treatment #infectiousdiseases
Intern Pocket Cards - Pre-Rounding Guide - Daily Checklist
Overnight Events:
 - Night float signout, nursing notes
Interdisciplinary
Include trends - Review ... Radiology: - Review ... preliminary or final Microbiology ... - Bacterial culture ... not considered “negative
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... remain negative ... Work-up of BCNIE relies ... #BloodCulture #Negative ... differential #workup #infectiousdiseases
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Positive effluent culture ... Microbiology: • ... • 15-35% Gram negative ... negative peritonitis ... Diagnosis #Management #InfectiousDiseases
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Capnocytophaga spp on Culture ... pts From blood culture ... anaerobe; narrow Gram negative ... Smear #clinical #microscopy ... #microbiology