6 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Right to Left Shunt ... Disease and more • Diffusion ... Hypoxia #hypoxemia #differential ... #diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome - Diagnosis ... 1) or anatomic shunt ... Arterial blood gas (ABC ... performed on room air ... older) on room air
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Right Atrium - Differential ... Diagnosis 1. ... left to right shunt ... echocardiogram #s4c ... #pocus #bubble
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
cases - Dynamic air ... Possible bilateral effusion ... submassive PE) POCUS ... #pulmonary #differential ... #diagnosis #signs
Intraarticular Chondroma - MSK Radiology
Imaging Findings:
 • Subtle soft-tissue infrapatellar mass seen obscuring Hoffa's fat pad.
Intraarticular Chondroma - MSK ... Usually NOT joint effusions ... Differential diagnosis ... Usually present with effusion ... #msk
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis on POCUS ... Diagnosis? ... showed effusion ... #POCUS #clinical ... #ultrasound #MSK