18 results
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
Rigors And Bacteremia ... pathogen (e.g., bacteria ... Double-stranded RNA • Fungi ... circumventricular organs CNS ... Pathophysiology #InfectiousDiseases
Infective Endocarditis - Indications for Surgery - "Fun-HEARTS" Mnemonic

Fungal endocarditis
Heart failure (valve dysfunction)
Enterococcus (VRE) endocarditis
Abscess, annular
Fun-HEARTS" Mnemonic Fungal ... Time, sustained bacteremia ... cardiothoracic #cardiology #infectiousdiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Pre-transplant: • Common bacteria ... Engraftment: • Common bacteria ... difficile (gut) • Fungi ... Adenovirus, RSV • Fungi ... diagnosis #causes #infectiousdiseases
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
Gram-negative bacilli - Fungi ... Gram-negative bacilli - Fungi ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Bug: Atypical bacteria ... : Viral, Fungal, ... Aggressive: MRSA bacteremia ... Tissue penetration (CNS
(1,3)-β-d-glucan
Abundant cell wall polysaccharide, found in most fungi, except cryptococci, zygomycetes (mucor, rhizophus) and blastomyces.
Sensitivity 64%-93%;
found in most fungi ... blood • Certain fungus ... Positives: • Bacteremia ... glucan #betad #fungal ... #microbiology #infectiousdiseases
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
NASAL LESIONS Bacteria ... rhinocleromatis) Fungus ... infections #diagnosis #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
recovery rate of bacteria ... or fungi (grows ... Tropheryma whipplei, Fungi ... ) and 18S ( fungi ... differential #workup #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Tropheryma whipplei, Fungi ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases
Soil Related Infections - Differential Diagnosis Framework

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