19 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 ... #Microbiology # ... Micro #Differential ... #Ddx #Diagnosis
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
- Differential ... Diagnosis Framework ... Dracunculiasis - Non-Infectious ... #Differential # ... Diagnosis #InfectiousDiseases
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
disease • Systemic infection ... • HACEK • Culture-negative ... bacilli • Fungi ... Noninfective #Causes #Differential ... #Diagnosis
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Tropheryma whipplei, Fungi ... BCNIE #Causes #differential ... #diagnosis #causes ... #culture #negative ... InfectiousDiseases #Microbiology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... remain negative ... BCNIE Diagnostic ... #Endocarditis #diagnosis ... #differential #
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
Things To Know Diagnosis ... Positive effluent culture ... Microbiology: • ... diverticulitis) Treatment ... Conncomitant catheter infection
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... Diagnosis: • ... likelihood of negative ... #Bandemia #differential ... #WBC #CBC #hematology
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... Coccobacillus - Zoonotic Infection ... Serology (preferred), Culture ... & GS, PCR Treatment ... infectiousdiseases #microbiology
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
the majority of infections ... • Gram-negative ... microorganism (Culture ... Treatment: • 50% ... Capnocytophaga #canimorsus #microbiology
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
culture of skin ... tissue was negative ... staining confirmed a diagnosis ... infection of Blastomyces ... #photo #derm #NEJM