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(a) Transthoracic echocardiogram bubble study with agitated saline injected intravenously through the left arm showing a large bolus of bubbles entering into the left atrium (LA). (b) Transesophageal echocardiogram bubble study with agitated saline injected intravenously through the right arm revealed complete opacification of the LA with bubbles in the right atrium. Abbreviations; Right ventricle (RV), Left ventricle (LV), Aorta (AO)
