13 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... epidermidis - Gram-negative ... ) - Culture negative ... #Infective #Endocarditis ... #Bacteria #Pathogens
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
with Infective Endocarditis ... (IE) Has Negative ... non-bacterial pathogen ... #Infective #Endocarditis ... Diagnosis #Management #Algorithm
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Infective endocarditis ... • Native and ... prosthetic valve endocarditis ... #Infective #Endocarditis ... Microbiology #Diagnosis #Pathogens
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... HACEK • Culture-negative ... epidermidis • Gram-negative ... amzn.to/2LmUODZ #Endocarditis ... #Algorithm #Infective
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Unknown Origin (FUO ... Returning Traveler’ algorithm ... respective fungal pathogens ... udaygulati #FUO
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Unknown Origin (FUO ... Differential Diagnosis Algorithm ... • Infectious endocarditis ... UnknownOrigin #FUO ... Differential #Diagnosis #Algorithm
Capnocytophaga
Pathogen: Capnocytophaga
 • 9 species, C. canimorsus responsible for the majority of infections
 • Gram-negative rod,
Capnocytophaga Pathogen ... infections • Gram-negative ... Presentations: FUO ... 13%), Pneumonia, Endocarditis ... fusiform gram-negative
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... cultures remain negative ... PCR for specific pathogens ... #Infective #Endocarditis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Cryoglobulinemia, Endocarditis ... Pauci-immune mediated (Negative ... differential #diagnosis #algorithm
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
and Management Algorithm ... range of enteric pathogens ... above testing negative ... Workup #Management #Algorithm