9 results
Blood culture contaminants
Grouped by gram negative vs gram positive vs other as well as never/maybe/probably
Some additional
Blood culture contaminants ... Grouped by gram negative ... #Infections #Microbiology ... #Micro #Differential ... Ddx #Diagnosis #Bloodculture
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
for Infective Endocarditis ... major clinical criteria ... Immunologic phenomena • Micro ... evidence of active infection ... #Infective #Endocarditis
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Suspected Systemic Infection ... who meet SIRS criteria ... infections, whose clinical ... #Management #BloodCultures ... #Indications #Criteria
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
Contaminant vs True Infection ... • Coagulase-negative ... How many blood culture ... species from the micro ... Jennifer Babik #BloodCultures
Capnocytophaga spp on Culture and Blood Smear
Associated w/ dog/human oral flora, can cause bacteremia in immunocompromised
Capnocytophaga spp ... anaerobe; narrow Gram negative ... richdavisphd #Capnocytophaga ... #Smear #clinical ... #microscopy #microbiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... remain negative ... antimicrobials, clinical ... ID_fellows #BCNIE #BloodCulture ... #Negative #Infective
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
fastidious gram-negative ... Myocarditis & culture-negative ... C. canimorsus infection ... is difficult to culture ... infection should
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 ... Conncomitant catheter infection
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
Remember that clinician ... call from the micro ... reason to go to micro ... VarunPhadke2 #BloodCultures ... Interpretation #Laboratory #Microbiology