significant cardiac arrhythmia
A cardiac arrhythmia which meets the Potter Stewart* standard, in that defining it as significant cannot be accurately made on clinical grounds alone and requires ancillary studies, e.g., electrophysiologic studies, loop monitors, and even then…
*US Supreme Court Justice who struggled with a definition for pornography, and said, I don’t know how to define it, but I know it when I see it.
Synonyms Clinically significant cardiac arrhythmia, major cardiac arrhythmia
Reference JAMA. 2009;302(19):2135-2143. doi:10.1001/jama.2009.1673