8 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... : • Aerobic Bacteria ... Abscess Differential ... #differential #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... lesions • 80% with lung ... Infectious: • Bacterial ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
intracellular rod-shaped bacteria ... affecting the lungs ... abscess Primary ... Response: • Most bacteria ... staining, NAA (PCR
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - Differential ... infection • Abscess ... Leptospirosis Pel-Ebstein ... Brucellosis • Liver or lung ... Fever #Patterns #Differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
intracellular rod-shaped bacteria ... affecting the lungs ... abscess Primary ... Response: • Most bacteria ... staining, NAA (PCR
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Antibiotic Failure - Differential ... Bug: Atypical bacteria ... Source control (abscess ... ocular), Tissue activity ... (daptomycin in lungs
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Other +s: PCP, Histo ... Infections with certain bacteria ... in BAL does not differentiate ... concurrent admin mold-active ... result in + as long
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
drug-resistant infection, bacterial ... osteomyelitis, cutaneous abscesses ... leukoencephalopathy (PML ... Leishmaniasis Differential ... • Persistently active