Assessing pulse deficit.
Pulse deficit--the difference between the apical and peripheral pulse rates--can signal an arrhythmia. You'll need to monitor this deficit if your patient's pulse rhythm is irregular.
McConnell
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D001145:Arrhythmias, Cardiac / Q000451:nursing*; D006339:Heart Rate; D006801:Humans; D009730:Nursing Assessment; D011674:Pulse