9 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Syndrome - ... : Atelectasis, ARDS ... Edema, Atelectasis ... UnremarkableLab #AA ... Hypoxia #hypoxemia #differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology ... CXR #ChestXRay #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
ARDS: Clinical ... edema must be present ... sepsis-associated ARDS ... days after dx of ARDS ... #ARDS #Summary
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... respiratory distress syndrome ... (ARDS) • Opioid ... Transfusion-related acute lung ... #edema #NCPE #differential
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Edema: - Widespread ... Respiratory Distress Syndrome ... (ARDS): - Bilateral ... #differential #
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 ... , ARDS, interstitial ... #POCUS #clinical
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
(ARDS) - Respiratory ... week of a known clinical ... lobar collapse, lung ... severity of the ARDS ... >= 5cm H2O #ARDS
B-Lines on Lung POCUS

PE is LEAST likely to show B lines. Juxtaposition of fluid droplets &
alveolar interstitial syndrome ... incl ddx pulm edema ... , pna, ARDS, contusion ... #POCUS #clinical ... #Pulmonary #ultrasound
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Differential Diagnosis ... blood cells in the lung ... - Dyspnea at rest ... respiratory failure or ARDS ... #differential #diagnosis