55 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
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Blood Cultures ... antibiotics prior to cultures ... negative IE - ... BloodCultures #Diagnosis #Management
By Marcela Santana @Marcelaaos via Febrile [febrilepodcast.com @febrilepodcast]
#ID  #Infectious Diseases  #Infections
#Microbiology #Micro
#Leptospirosis #Leptospira #management
#Infections #Microbiology ... #Micro #Leptospirosis ... #Leptospira #management
Endocarditis checklist
Initial evaluation
 • Peripheral blood cultures (three sets at three different sites)
 • Additional culture
Endocarditis checklist ... Peripheral blood cultures ... • Aggressive management ... #Endocarditis #checklist ... criticalcare #diagnosis #management
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... diagnosis #causes #culture ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
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 ... Pneumoniae #strep #microbiology ... #diagnosis #management
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... test • PCR • Culture ... Chlamydia #psittaci #microbiology ... #diagnosis #management
Intern Pocket Cards - Pre-Rounding Guide - Daily Checklist
Overnight Events:
 - Night float signout, nursing notes
Interdisciplinary
Guide - Daily Checklist ... preliminary or final Microbiology ... - Bacterial culture ... not considered “negative ... #management #inpatient
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
• Coagulase-negative ... How many blood culture ... species from the micro
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup and Management ... Patients First Tier Microbiologic-Testing ... Bacterial culture ... above testing negative ... Diarrhea #Workup #Management