490 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... Histoplasma) - Culture ... Gram-negative bacilli - Fungi ... streptococci - Culture
Morphology and Descriptions of Fungal Infections with Hyphae or Pseudohyphae in Tissues
Yeasts with Pseudohyphae: 
 •
other hyaline fungi ... with dematiaceous fungi ... Exophiala spp, Curvularia ... Pseudohyphae #fungal #fungi
Curvularia on Microscopy and Culture Plate
One of the first (and easiest) dematiaceous molds to identify by
Curvularia on Microscopy ... and Culture Plate ... Curvularia is mostly ... richdavisphd #Curvularia ... #microbiology #culture
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... separate blood cultures ... fastidious bacteria or fungi ... Tropheryma whipplei, Fungi ... bacteria) and 18S ( fungi
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... Tropheryma whipplei, Fungi ... identified with modern culture ... diagnosis #causes #culture
Blood Culture Collection Algorithm - Adult Patients with Suspected Systemic Infection 

Pawlowicz et al evidenced based
Blood Culture Collection ... to obtain blood cultures ... drawing blood cultures ... warrant blood cultures ... warrant blood cultures
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
• HACEK • Culture-negative ... Gram-negative bacilli • Fungi ... Gram-negative bacilli • Fungi
Stool Cultures - Indications in Diarrhea
Patient Categories to Order Stool Cultures On:
 • Persisting 1 week
Stool Cultures - ... to Order Stool Cultures ... positive stool culture ... iMedEducation #Stool #Cultures
Duke's Criteria for Infective Endocarditis
Definite IE - Pathologic Criteria:
 • Pathologic lesions - vegetation or intracardiac
demonstrated by culture ... Positive blood cultures ... separate blood cultures ... positive blood culture ... positive blood culture
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... of a negative culture ... Scedosporium, endemic fungi ... Kumfer @AnnKumfer #Culture