12 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 ... #contaminants
How to Determine a Contaminant vs True Infection 

What is the organism? Most 
common contaminants:
to Determine a Contaminant ... vs True Infection ... • Coagulase-negative ... How many blood culture ... species from the micro
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
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
Positive Blood Cultures ... Remember that clinician ... call from the micro ... reason to go to micro ... Interpretation #Laboratory #Microbiology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
fastidious gram-negative ... Myocarditis & culture-negative ... is difficult to culture ... infection should ... #photo
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
Mucoid Klebsiella Colonies on Culture
Culture of a pyogenic liver abscess .  Based on the culture
Culture of a pyogenic ... Based on the culture ... performed and infection ... #microbiology # ... clinical #photo
Osler's Nodes in a patient with infective endocarditis

67yo presents with R occipital intraparenchymal hemorrhage (IPH) attributed
a patient with infective ... Blood cultures ( ... TTE negative but ... #endocarditis #clinical ... #photo #foot
Acute Dacryocystitis- A 4-week-old boy was brought to the emergency department after having drainage from both
dacryocystitis — infection ... Cultures of urine ... cerebrospinal fluid were negative ... #NEJM #clinical ... #photo #peds #acute
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
Blastomycosis- A fungal culture ... skin tissue was negative ... pyogranulomatous fungal infection ... #clinical #photo