base of heart

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base of heart

[TA]
that part of the heart that lies opposite the apex, formed mainly by the left atrium but to a small extent by the posterior part of the right atrium; it is directed backward and to the right and is separated from the vertebral column by the esophagus and aorta.
Synonym(s): basis cordis [TA]

base of heart

(bās hahrt)
That part of the heart that lies opposite the apex, formed mainly by the left atrium but to a small extent by the posterior part of the right atrium; it is directed backward and to the right and is separated from the vertebral column by the esophagus and aorta.
Synonym(s): basis cordis [TA] .
References in periodicals archive ?
However, their performance was much worse in auscultation of the carotid (65% correct), assessment for pedal edema (40%), palpation of the sternal border (39%), and palpation of the base of the heart (7%).
A Dacron wrap is pulled over the base of the heart, attached by sutures, and tightened so that it contains but does not strangle the heart, thus preventing further dilation and enhancing ventricular function.