13 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... Tropheryma whipplei, Fungi ... , these bacteria ... #diagnosis #causes ... #Endocarditis #InfectiousDiseases
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
PATHOPHYSIOLOGY: ... Double-stranded RNA • Fungi ... Mannan and glucan components ... #Pathophysiology ... #InfectiousDiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
or fungi (grows ... but important causes ... Tropheryma whipplei, Fungi ... ) and 18S ( fungi ... differential #workup #infectiousdiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... difficile (gut) • Fungi ... Adenovirus, RSV • Fungi ... differential #diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Lung Lesions • Bacteria ... ) • Fungi: Aspergillus ... Differential #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Lung Lesions • Bacteria ... ) • Fungi: Aspergillus ... Differential #Diagnosis #causes ... #infectiousdiseases
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
Fever - Pyrogen Pathophysiology ... EXOGENOUS PYROGEN • Bacteria ... Lipopolysaccharide components ... stranded RNA • Fungi ... Mannan and glucan components
Gonorrhea: Pathophysiology

 - Neonatal Transmission -> Direct contact of patient mucosa with mother's infected mucosa while
Gonorrhea: Pathophysiology ... mucosa Bacterial components ... cell surface -> Bacteria ... antibodies and causes ... #Gonorrhea #Pathophysiology
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Diagnosis for Concurrent ... Infections • Bacteria ... Toxoplasmosis • Fungi ... Lung #Infections #Concurrent ... Differential #Diagnosis #causes
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
rhizosphere include: bacteria ... , fungi, oomycetes ... arthropods Bacteria ... cause primary pulmonary ... differential #diagnosis #InfectiousDiseases