56 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
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... negative infective ... BCNIE #Causes #differential ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... test • PCR • Culture ... first line of treatment ... Chlamydia #psittaci #microbiology ... #diagnosis #management
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 ... Specificity of 97%) Treatment ... #diagnosis #management
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
Diagnosis and Management ... fastidious gram-negative ... Serology (preferred), Culture ... & GS, PCR Treatment ... #microbiology
MonkeyPox Virus - Summary Review - What we know so far

 • History
 • Epidemiology
 •
Transmission • Differential ... Diagnosis • Treatment ... Monkeypox #diagnosis #management ... infectiousdiseases #microbiology ... #treatment
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Quick Reference - Treatment ... Duration Gram Negative ... are negative ... #Bacteremia #Treatment ... #Management #Duration
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup and Management ... Bacterial culture ... above testing negative ... Diarrhea #Workup #Management ... Transplant #diagnosis #differential
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: • Stool culture ... available • Blood culture ... Monocytogenes #diagnosis #management ... infectiousdiseases #treatment ... #microbiology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Diagnosis: • Stool culture ... available • Blood culture ... Monocytogenes #diagnosis #management ... infectiousdiseases #treatment ... #microbiology