12 results
Atrial Septal Defect (ASD) with Shunting on Echocardiogram with Contrast (a4c)

An elderly patient with dyspnea -
Atrial Septal Defect ... (a4c) An elderly ... #Septal #Defect ... #a4c #clinical ... #pocus #bubble #
ASD on Bubble Contrast Echocardiogram (a4c)
A patient with an anterior STEMI (take a look at the
ASD on Bubble Contrast ... Echocardiogram (a4c ... Ivan_Echocardio #atrial ... #septal #defect ... #ASD #Bubble #Contrast
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Right to Left Shunt ... Ventricular Septal Defect ... ** • Atrial Septal ... Defect Pulmonary ... Right to Left Shunt
Hepatopulmonary Syndrome on Echocardiogram (A4C)
Hepatopulmonary Syndrome: Intrapulmonary shunting is most commonly demonstrated by contrast TTE when
Echocardiogram (A4C ... demonstrated by contrast ... TTE when bubbles ... visualized in the left atrium ... with intracardiac shunt
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
or anatomic shunt ... cycles after right atrial ... blood gas (ABC) ... cirrhosis • Intra-pulmonary ... scanning or pulmonary
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Only: • Poor Perfusion ... Left-to-Right Shunt ... Arteriosus • Atrial ... Septal Defect ... Total Anomalous Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
VIQ mismatch and shunt ... defects) VENTILATION ... embolus SHUNT ... shunting (eg, atrial ... ventricular septal defects
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Atrium - Differential ... 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 -
Right to Left Shunt ... - Anatomic Shunt ... 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
on this saline contrast ... liver disease and pulmonary ... Early transit of bubbles ... as RAP>LAP as atrial ... clinical #pocus #a4c