intra-atrial
adjective
in·tra-atri·al
-ˈā-trē-əl 
: situated or occurring within an atrium especially of the heart
an intra-atrial block
Cite this Entry
“Intra-atrial.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/intra-atrial. Accessed 2 Dec. 2025.
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