3 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 ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... VIQ mismatch and shunt ... gravity-dependent gradients ... shunting (eg, atrial ... #Differential #
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
1) or anatomic shunt ... upright position • Hypoxemia ... cycles after right atrial ... Arterial blood gas (ABC ... 80mmHg or A-a gradient