intra-atrial

intra-atrial
Within one or both of the atria of the heart.

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in·tra-atri·al -'ā-trē-əl adj situated or occurring within an atrium esp. of the heart <an \intra-atrial block>

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in·tra-atri·al (in″trə-aґtre-əl) within one or both atria of the heart.

Medical dictionary. 2011.

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