11 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... abscess, Necrotizing ... Infections: TB, NTB ... cancer, Metastatic ... Algorithm #lesion #pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
those belonging to ... NTM: Chronic lung ... disease, alcohol, cancer ... Diagnosis Of NTM ... #Infections #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Diagnosis ... foreign body, cancer ... Abscess Differential ... #Abscess #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
M.tuberculosis, NTM ... failure, COPD, Lung ... cancer, Primary ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
of Respiratory Center ... , Interstitial Lung ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential ... #diagnosis
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... cause pulmonary ... with underlying lung ... #differential # ... infectiousdiseases #NTM
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Infection: TB, NTM ... in the adjacent lung ... obstructive • Bronchoscopy ... #differential # ... diagnosis
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
mycobacterial infection (NTM ... cancer • Septic ... abscess Primary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... BNP, troponin if concern ... involvement • Bronchoscopy ... sparing of the lung ... Renal #Syndromes #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
mycobacterial infection (NTM ... cancer • Septic ... abscess Primary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis