from the heart

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Adv.1.from the heart - very sincerely; "he spoke from the heart"
References in periodicals archive ?
A tiny balloon on the tip of the catheter is inflated to float the device into the pulmonary artery, which leads from the heart to the lungs.
The blood then enters the left atrium and is forced into the left ventricle, which pumps the blood from the heart throughout the body.
Aortic stenosis is a narrowing of the heart valve that causes the heart to work very hard in order to eject blood from the heart, resulting in shortness of breath and, in advanced cases, fainting and heart failure.