36 results
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
Approach to the diagnosis ... Consider additional test ... tomography; UIP = usual interstitial ... #pneumonitis #pulmonary ... #HP #ILD
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
The diagnosis based ... edema. ... #Clinical #Radiology ... #CTChest #SeptalThickening ... #CHF #RadiologyAssistant
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... ARDS 3. ... #Pulmonary #ChestCT ... #radiology #CTChest ... #diagnosis
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
CT • Patent airways ... DDx: pna, pulm edema ... , severe ILD, pulm ... #Lung #Pulmonary ... #diagnosis #radiology
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Thickening/Masses Chest ... Pneumonia • ARDS ... Interstitium ... • ILDCHF
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Patients • Diffuse Interstitial ... edema; ARDS, Metastatic ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... consistent with pulmonary ... edema must be present ... be detected on CT ... Summary #CheatSheet #Diagnosis
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
CT • Thickened ... DDx: PAP, pulm edema ... pna, pulm hge, ARDS ... #Lung #Pulmonary ... #diagnosis #radiology
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
CT • Parallel, ... bronchiectasis, CF ... , ILD, necrotizing ... #Lung #Pulmonary ... #diagnosis #radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... Edema, Atelectasis ... , Obstructive Lung ... Lung Disease ... #differential #diagnosis