31 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
bacilli - Fungi ... (Candida, Aspergillus ... bacilli - Fungi ... #Endocarditis #Bacteria ... #Differential #InfectiousDiseases
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Did they receive antibiotics ... have a fastidious bacteria ... this be a non-bacterial ... Fungal (Histoplasma ... patient a surgical candidate
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 ... : Candida spp. ... diagnosis #causes #infectiousdiseases
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
ß-D-glucan: • Most fungi ... Primarily studied for candida ... positives: Beta lactam antibiotics ... Specificity #Laboratory #InfectiousDiseases ... #Fungi #Fungal
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... Tropheryma whipplei, Fungi ... (Aspergillus, Candida ... under BCNIE, these bacteria ... #Endocarditis #InfectiousDiseases
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
infections • Bacterial ... VZV, CMV, HIV • Fungal ... : Candida spp, Aspergillus ... #dermatology #InfectiousDiseases ... Diagnosis #viral #fungal
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Consider prior antibiotics ... as a cause of a negative ... AnnKumfer #Culture #Negative ... Differential #Diagnosis #InfectiousDiseases
Lower Urinary Tract Infection: Pathogenesis and Clinical Findings

- Predisposing Factors:  Immunocompromised state, diabetes, elderly, female
Enterococcus, Candida ... epithelium and causing symptoms ... Signs/Symptoms ... UrinaryTractInfection #LUTI #Pathophysiology ... #Signs #Symptoms
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... or fungi (grows ... (Aspergillus, Candida ... differential #workup #infectiousdiseases
Candidemia Workup and Management - IDSA Guidelines
1) Antibiotics
 • Empiric: Echinocandins (e.g. micafungin) for most patients
Guidelines 1) Antibiotics ... Susceptibilities, Negative ... workup dictated by symptoms ... Guidelines #Management #candida ... candidiasis #treatment #fungal