6 results
Hepatopulmonary Syndrome on Echocardiogram (A4C)
Hepatopulmonary Syndrome: Intrapulmonary shunting is most commonly demonstrated by contrast TTE when
Echocardiogram (A4C ... visualized in the left atrium ... with intracardiac shunt ... Echocardiogram #A4C ... #bubble #shunting
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Right to Left Shunt ... ** • Atrial Septal ... Defect Pulmonary ... Right to Left Shunt ... Hypoventilation Syndrome
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... or anatomic shunt ... cycles after right atrial ... blood gas (ABC) ... hepatopulmonary #syndrome
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast Effect ... in Right Atrium ... left to right shunt ... echocardiogram #s4c ... #pocus #bubble
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Disease and more • Diffusion ... Defect: Pulmonary ... Gradient #alveolar #arterial
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
Double Shunt on ... Early transit of bubbles ... hepatopulmonary syndrome ... as RAP>LAP as atrial ... clinical #pocus #a4c