10 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... : Lung abscess, ... : TB, NTB, Fungal ... #lesion #pulmonary ... #differential
Hemoptysis Differential Diagnosis Framework
Cardiovascular: Pulmonary embolism, Heart failure, Vasculitis, Valvular disease, Arteriovenous malformation
Pulmonary - Airway: Bronchitis,
Hemoptysis Differential ... Parenchyma: Pneumonia, Lung ... abscess, Tuberculosis ... , Fungal infection ... #Diagnosis #algorithm
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Diagnosis Algorithm ... Bronchiectasis • Abscess ... Malformation Normal CXR ... Vasculitis Infection ... Tuberculosis • Fungal
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Granuloma • Abscess ... Breast, Testicle) Infection ... : • Fungal • ... #Causes #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Lung Abscess - Clinical ... Prevotella • Fungal ... Abscess Differential ... #Abscess #pulmonary
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... cut-offs defined in clinical ... surfaces - Infections ... BAL GM does not differentiate ... Clav (may be + as long
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... Opacities: • Infectious ... - Endemic fungi ... #diagnosis #pulmonary ... #CXR #clinical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... abscess Primary ... characteristic features Clinical ... and Culture • CXR ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... abscess Primary ... characteristic features Clinical ... and Culture • CXR ... disease • Check CXR
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
cut-offs defined in clinical ... surfaces, Albumin, Infections ... >90% (In most clinical ... in BAL does not differentiate ... result in + as long