26 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Blood Cultures ... Did they receive antibiotics ... prior to cultures ... Decreased yield due to antibiotic ... Diagnosis #Management #Algorithm
Gram Negative Bacteria Overview Identification Algorithm #Diagnosis #Microbiology #GramNegative #Bacteria #Identification #Differential #Algorithm #Oxidase #Lactose #Urease
Gram Negative Bacteria ... Identification Algorithm ... #Diagnosis #Microbiology ... Identification #Differential ... #Algorithm #Oxidase
Algorithm demonstrating identification of aerobic gram negative bacteria #Diagnosis #Microbiology #GramNegative #Bacteria #Identification #Differential #Algorithm #Lactose
Algorithm demonstrating ... of aerobic gram negative ... bacteria #Diagnosis #Microbiology ... Identification #Differential ... #Algorithm #Lactose
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... • HACEK • Culture-negative ... epidermidis • Gram-negative ... #Endocarditis #Algorithm ... Noninfective #Causes #Differential
Moraxella catarrhalis on culture and microscopy
Only 1-5% of adults are colonized with this Gram neg diplococci
catarrhalis on culture ... and microscopy ... ) - Gram negative ... #catarrhalis #culture ... #microbiology
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
Acinetobacter baumanii on culture and microscopy
 - MacConkey agar - Lactose Negative
 - gram negative (often
and microscopy ... agar - Lactose Negative ... - gram negative ... #microbiology # ... culture
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential ... Consider prior antibiotics ... #Differential #
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... for TPN) and antibiotic ... Bacteria #Etiology #Differential ... #Microbiology #