33 results
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
Infective Endocarditis - Indications for Surgery - "Fun-HEARTS" Mnemonic

Fungal endocarditis
Heart failure (valve dysfunction)
Enterococcus (VRE) endocarditis
Abscess, annular
Infective Endocarditis ... Fun-HEARTS" Mnemonic Fungal ... endocarditis Heart ... Time, sustained bacteremia ... cardiothoracic #cardiology #infectiousdiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
for Infective Endocarditis ... Gram-negative bacilli - Fungi ... #Bacteria #Pathogens ... #Diagnosis #Differential ... #InfectiousDiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
negative infective endocarditis ... Tropheryma whipplei, Fungi ... under BCNIE, these bacteria ... BCNIE #Causes #differential ... #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 ... Infections #Timeline #differential ... diagnosis #causes #infectiousdiseases
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Bug: Atypical bacteria ... : Viral, Fungal, ... lines, osteo, endocarditis ... (daptomycin in lungs
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
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Lesions • Bacteria ... phenomena from endocarditis ... ) • Fungi: Aspergillus ... Infections #Concurrent #Differential ... Diagnosis #causes #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Lesions • Bacteria ... phenomena from endocarditis ... ) • Fungi: Aspergillus ... Infections #Concurrent #Differential ... Diagnosis #causes #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Culture-Negative Infective Endocarditis ... or fungi (grows ... Negative #Infective #Endocarditis ... #diagnosis #differential ... #workup #infectiousdiseases