10 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective ... #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 ... microbiological techniques Work-up ... antimicrobials, clinical ... #differential #workup ... #infectiousdiseases
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 ... #microscopy #clinical ... #microbiology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
result with no clinical ... TB AFB smear microscopy ... Mycobacterial culture ... Testing #Diagnosis #Workup ... LatentTB #ActiveTB #InfectiousDiseases
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
and microscopy ... - gram negative ... Acinetobacter #baumanii #clinical ... #microscopy #microbiology ... #culture
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
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
following): (1) Clinical ... Positive effluent culture ... Microbiology: • ... • 15-35% Gram negative ... 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 ... #Blood #Smear #clinical ... #microscopy #microbiology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... aureus, Coagulase-negative ... Negative: • Bartonella ... Differential #Diagnosis #cardiology ... #infectiousdiseases
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... Gram stain and culture ... polarized light microscopy ... ANAs; thus, a negative ... ANA and RF (if clinical