22 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
cell response to fungi ... doesn't stain most fungi ... • India ink - "Negative ... #fungi #fungus ... #comparison #table
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential Diagnosis ... antibiotics as a cause ... Scedosporium, endemic fungi
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... disease • Systemic infection ... bacilli • Fungi ... bacilli • Fungi ... #Differential #Diagnosis
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
difficile (gut) • Fungi ... Adenovirus, RSV • Fungi ... reactivation), RSV • Fungi ... #differential #diagnosis ... #causes #infectiousdiseases
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
culture negative ... Tropheryma whipplei, Fungi ... #differential #diagnosis ... #negative #Endocarditis ... InfectiousDiseases #Microbiology
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential Diagnosis ... Bronchiectasis • Abscess ... Vasculitis Infection ... Tuberculosis • Fungal
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
fastidious bacteria or fungi ... but important causes ... Tropheryma whipplei, Fungi ... BCNIE Diagnostic ... bacteria) and 18S ( fungi
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... embolus I = infection ... - pulmonary abscess ... (TB, fungal, staph ... bronchogenic cyst #Diagnosis
Waterborne Infections - Differential Diagnosis Framework

Infections that can be acquired from fresh water, brackish water, sea
- Differential Diagnosis ... (Mycobacteria abscessus ... Waterborne filamentous fungi ... Blooms (HABs) • Fungi ... mandrillaris • Fungi
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential Diagnosis ... include: bacteria, fungi ... • Chlorella Fungi ... Soil-related endemic fungi ... cause primary pulmonary