The appearance on an electrocardiogram (ECG) of a run of ventricular tachycardia that resembles a group of hooded figures praying in succession. This usually means the patient is in acute cardiac distress and needs immediate medical care.
I was doing vitals on my patient the other night and saw the marching nuns roll across the EKG. I hit the code alarm faster than I've ever done anything in my life.
by stubbstarbuck69 October 16, 2018
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