44 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = [FiO2 ... Elevation, Low Fio2 ... Edema, Atelectasis ... , Obstructive Lung ... Hypoxia #hypoxemia #differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Edema - Congestive ... #Diseases #Radiology ... #Patterns #Lung ... XRay #ChestCT #Differential
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... - Aspiration - Pulmonary ... edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... pulmonary edema ... Transfusion-related acute lung ... #edema #NCPE #differential ... #diagnosis #cardiology
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... highlight selected differentials ... LungPoint #POCUS #clinical ... lungdiaphragam #ultrasound #pulmonary ... #differential #
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... consistent with pulmonary ... edema must be present ... lobar collapse, lung ... collapse, or pulmonary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
sliding-must be pulm edema ... Differential Bilat ... : Pulmonary edema ... diagnose Pulm Edema ... #POCUS #clinical
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... involvement, with “white lung ... structures help in the differential ... oedema due to heart ... #Clinical #Radiology
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... edema, both cardiogenic ... #Diagnosis #Radiology ... #CXR #Batwing #Differential
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Syndrome – ARDS: Clinical ... leading to increased pulmonary ... consistent with pulmonary ... edema must be present ... or CXR ● PaO2/FiO2