Within one of the chambers of the heart. SYN: endocardiac (1), endocardial, intracordal. [intra- + G. kardia, heart]
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in·tra·car·di·ac -'kärd-ē-.ak also in·tra·car·di·al -ē-əl adj situated within, occurring within, introduced into, or involving entry into the heart <\intracardiac surgery> <an \intracardiac catheter>
in·tra·car·di·al·ly -ē-ə-lē adv
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in·tra·car·di·ac (in″trə-kahrґde-ak) within the heart.Medical dictionary. 2011.