17 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 ... you close the defect ... Ivan_Echocardio #atrial ... #septal #defect ... #ASD #Bubble #Contrast
Negative contrast effect = a washout of the contrast (agitated saline) in the right atrium in
effect = a washout ... ) in the right atrium ... #effect #washout ... #ASD #atrial #septal ... #defect #a4c #Echocardiogram
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
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Effect in Right ... left to right shunt ... #Effect #Right ... echocardiogram #s4c ... #pocus #bubble
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Management Summary A defect ... defect (Type 1) ... or anatomic shunt ... blood gas (ABC) ... • Oxygenation defect
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
Only: • Poor Perfusion ... Ventricular Septal Defect ... Atrioventricular Septal Defect ... Arteriosus • Atrial ... Septal Defect
Large atrial septal defect on cardiac POCUS with an oddly satisfying bubble study.

Eric Abrams, MD @eabramsMD

#Bubble
Large atrial septal ... defect on cardiac ... oddly satisfying bubble ... #Study #ASD #Atrial ... Echocardiogram #A4C
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