31 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
Important Fungal ... and chitin in fungal ... polysaccharide component ... of fungal cell ... • India ink - "Negative
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... bacilli - Fungi ... ) - Culture negative ... bacilli - Fungi ... #Differential #InfectiousDiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... as a cause of a negative ... Mycobacteria - Fungal ... AnnKumfer #Culture #Negative ... Differential #Diagnosis #InfectiousDiseases
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 ... Adenovirus, RSV • Fungi ... diagnosis #causes #infectiousdiseases
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... Polysaccharide cell wall component ... Coccidioides - Negative ... synthetic now and should ... Cryptococcus - Negative
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... Tropheryma whipplei, Fungi ... these bacteria should ... causes #culture #negative ... #Endocarditis #InfectiousDiseases
CAPD-associated peritonitis (Continuous Ambulatory Peritoneal Dialysis) - 5 Things To Know
Diagnosis (Two of the following):
(1) Clinical
• 15-35% Gram negative ... Polymicrobial should ... peritonitis • Fungal ... prior abx use, fungal ... Diagnosis #Management #InfectiousDiseases
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
lung masses & should ... nodules (no solid component ... ground-glass and solid components ... size of the solid component ... Larger solid components
Bacteremia Quick Reference - Treatment Duration

Gram Negative Bacteremia:
 • Avoid: Aminoglycosides and tigecycline
 • Catheters should
Duration Gram Negative ... • Catheters should ... blood cultures are negative ... at 24 hours are negative ... Management #Duration #infectiousdiseases
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 ... Pathophysiology #InfectiousDiseases