13 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... infective endocarditis ... #Endocarditis # ... InfectiousDiseases #Microbiology
A Pediculus humanus (louse) nymph. 
Specimen was alive and in the video you can actually see
actually see the blood ... meal being worked ... lice #clinical #microscopy ... #microbiology #
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... microbiological techniques Work-up ... #Infective #Endocarditis ... #differential #workup
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 ... CMV qPCR (Serum/Blood ... above testing negative ... #Diarrhea #Workup
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
on culture and microscopy ... agar - Lactose Negative ... - gram negative ... violet esp. from blood ... #microbiology #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Endocarditis Summary ... Hypercoagulable (APLAS) Microbiology ... : Blood cultures ... • Coagulase-negative ... • Blood cultures
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
spread of the Gram-negative ... : • 2 sets of blood ... typically part of the workup ... Diagnosis #Management #Microbiology
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
on Culture and Blood ... immunocompromised pts From blood ... anaerobe; narrow Gram negative ... Smear #clinical #microscopy ... #microbiology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Schonlein Purpura - Endocarditis ... Sjogren's, GPA, EGPA, Microscopic ... deficiency Work ... : • Complete blood ... • Fecal occult blood
Solid Organ Transplant - Diarrhea - Diagnostic and Workup Algorithm
1st Tier Microbiologic Testing: CDiff (stool), CMV
Diagnostic and Workup ... Algorithm 1st Tier Microbiologic ... qPCR/NAT (serum/blood ... pathogens 2nd Tier Microbiologic ... overgrowth If above negative