18 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Left Shunt - Anatomic ... Embolism, Obstructive Lung ... , Interstitial Lung ... #Hypoxia #hypoxemia ... #differential #
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic cough • Hypoxia ... CT) • Broncho-arterial ... Immunoglobulins (Ig M, A, ... mycobacteria Treatment ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
parenchyma by a ... polymicrobial infection ... Lung Abscess - Clinical ... CT Lung Abscess ... #Abscess #pulmonary
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... ALKI (activin A ... diseases - HIV infection ... and/or hypoxia ... Classification #Diagnosis #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
confirm DAH, r/o infection ... sparing of the lung ... CT ... FINDINGS: • U/A: ... diagnosis #management #treatment
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
known clinical insult ... chest radiograph ... computed tomographic (CT ... lobar collapse, lung ... severity of the hypoxemia
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
diameter are called lung ... repeat chest CT ... associated with lung ... malignancy, clinical ... The treatment of
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
gordonae - 99.9% a ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT ... #differential #
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Broncholithiasis - Differential ... Also known as: Lung ... Broncholithiasis - Clinical ... CT • Bronchoscopy ... that migrated to a