30 results
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
Lipopolysaccharide components ... Double-stranded RNA • Fungi ... Mannan and glucan components ... Transport to brain ... Pathophysiology #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... Mycobacteria - Fungal ... Differential #Diagnosis #InfectiousDiseases
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
Diagnosis and Workup ... depending on the cause ... Mycobacterium, Pyogenic bacteria ... Salmonella, ..), Fungal ... #Differential #Causes
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
EXOGENOUS PYROGEN • Bacteria ... Lipopolysaccharide components ... stranded RNA • Fungi ... Mannan and glucan components ... - Transport to brain
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
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
or fungi (grows ... microbiological techniques Work-up ... but important causes ... #differential #workup ... #infectiousdiseases
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Candidemia Workup ... and Management ... Additional metastatic workup ... or GU tract By Brian ... candidiasis #treatment #fungal
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... Tropheryma whipplei, Fungi ... under BCNIE, these bacteria ... febrilepodcast] #BCNIE #Causes ... #Endocarditis #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