https://www.healthcentral.com/article/once-every-week-exercise-program-keeps-heart-rate-around-beats-per-minute-four-minutes-sometimes-heart-rate-remain-uncomfortably-fast-hours-later
Heart Health

About Once Every Week, I Do An Exercise Program That Keeps My Heart Rate At Around 160 Beats Per Minute For Four Minutes. But Sometimes My Heart Rate Can Remain Uncomfortably Fast Up To 9 Hours Later.

    Answered by Lisa Nelson, RD, LN
    You should know: The answer above provides general health information that is not intended to replace medical advice or treatment recommendations from a qualified healthcare professional.