32 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #culture #negative ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Corynebacterium diphtheriae on Culture and Microscopy
Corynebacterium diphtheriae, the cause of vaccine-preventable diphtheria.

Matching name to features:
"Coryne" (korune)
diphtheriae on Culture ... and Microscopy ... diphtheriae, the cause ... #diphtheriae #Culture ... #microbiology
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 ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... of a negative culture ... Differential #Diagnosis #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... microbiological techniques Work-up ... but important causes ... #differential #workup ... #infectiousdiseases
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
and microscopy ... agar - Lactose Negative ... - gram negative ... #microbiology # ... culture
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Capnocytophaga spp on Culture ... oral flora, can cause ... anaerobe; narrow Gram negative ... Smear #clinical #microscopy ... #microbiology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... dipstick, urine microscopy ... osmolarity If cause ... , urine culture, ... #Injury #AKI #Workup
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
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... sets of blood cultures ... typically part of the workup ... Diagnosis #Management #Microbiology ... #InfectiousDiseases