8 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... causes #culture #negative ... #Endocarditis #InfectiousDiseases ... #Microbiology # ... CNIE #BCNIE #cardiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... microbiological techniques Work-up ... #differential #workup ... #infectiousdiseases
A Pediculus humanus (louse) nymph. 
Specimen was alive and in the video you can actually see
blood meal being worked ... lice #clinical #microscopy ... #microbiology # ... parasite
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... Patients First Tier Microbiologic-Testing ... Ova and Parasite ... above testing negative ... #Diarrhea #Workup
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... typically part of the workup ... Diagnosis #Management #Microbiology ... #InfectiousDiseases
Cyclosporiasis - Diagnosis and Management Summary
Pathogen: 
 • Cyclospora cayetanensis
 • Foodborne, waterbone, and soil-transmitted.
 •
intracellular parasite ... Established via stool microscopy ... management #treatment #microbiology ... #infectiousdiseases
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
TB AFB smear microscopy ... because false-negative ... sample = 95% • A negative ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Solid Organ Transplant - Diarrhea - Diagnostic and Workup Algorithm
1st Tier Microbiologic Testing: CDiff (stool), CMV
Diagnostic and Workup ... Algorithm 1st Tier Microbiologic ... pathogens 2nd Tier Microbiologic ... stool), Ova and Parasites ... overgrowth If above negative