46 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... pulmonary infection ... underlying lung disease ... as disseminated disease ... #differential #infectiousdiseases
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
are caused by members ... presentations: • Pulmonary ... this morphology Treatment ... Diseases Fellows ... #fungal #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... Dracunculiasis - Non-Infectious ... Autoimmune: Crohn's disease ... Differential #Diagnosis #InfectiousDiseases
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... Causes include: ... acute cardiac disease ... • Normal or negative ... pg/ml EKG: • Negative
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... • Autoimmune diseases ... Adult-onset Still disease ... Drugs, Unknown cause ... Treatment: •
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
intermediate risk of disease ... because false-negative ... sample = 95% • A negative ... used to exclude pulmonary ... LatentTB #ActiveTB #InfectiousDiseases
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... • Pulmonary fibrotic ... Tuberculosis Treatment ... Initiating Treatment ... Diagnosis #Management #Treatment
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
fastidious gram-negative ... Coccobacillus - Zoonotic Infection ... Culture & GS, PCR Treatment ... : • Severe Disease ... #infectiousdiseases
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... cultures remain negative ... but important causes ... Diseases Fellows ... differential #workup #infectiousdiseases
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... causes differentiated ... With associated pulmonary ... involvement: Anti-GBM Disease ... Pauci-immune mediated (Negative