24 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
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... pain, hemoptysis, diarrhea ... test • PCR • Culture ... Chlamydia #psittaci #microbiology ... management #treatment #infectiousdiseases
Legionnaire's Disease - Extrapulmonary organ involvement: CNS: Mental confusion, encephalopathic, headache. Cardiac: Relative bradycardia. GI: Loose
Cardiac: Relative ... stools, watery diarrhea ... Renal: Microscopic ... Diagnosis #IM #InfectiousDisease
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
CAPD-associated ... 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 ... and Blood Smear Associated ... anaerobe; narrow Gram negative ... Smear #clinical #microscopy ... #microbiology
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 ... Bacterial culture ... pathogens First Tier Microbiologic-Testing ... above testing negative
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
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... sinus • Sputum culture ... addition might be associated ... Pneumoniae #strep #microbiology
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... Serology (preferred), Culture ... management #treatment #infectiousdiseases ... #microbiology