6 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... Tropheryma whipplei, Fungi ... #culture #negative ... #Endocarditis #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... fastidious bacteria or fungi ... but important causes ... differential #workup #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... antibiotics as a cause ... of a negative culture ... Differential #Diagnosis #InfectiousDiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... difficile (gut) • Fungi ... differential #diagnosis #causes ... #infectiousdiseases
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
PATHOPHYSIOLOGY: ... Lipopolysaccharide components ... Double-stranded RNA • Fungi ... Mannan and glucan components ... #InfectiousDiseases
SEPSIS AND SEPTIC SHOCK

DEFINITION AND PATHOPHYSIOLOGY
 • Sepsis: Life-threatening organ dysfunction due to a dysregulated host
DEFINITION AND PATHOPHYSIOLOGY ... • Pathophysiology ... COMMON CAUSES + ... Gram-positive/-negative ... bacteria, fungi