If the basic rhythm was sinus rhythm with intermittent first degree AV block, and the others were isolated and pt asymptomatic.....most of the time the doctor's don't worry about this. If there are any consistency with these abnormal rhythms, then YES, there is a problem.
Supraventricular tachycardia is very serious, but not if the rhythm was not sustained. If they convert back to SR....MD's don't want a call in the middle of the night.
The other rhythm was multifocal "PVC'S"???? Again, if this is asymptomatic and converts quickly back to SR---no probs. Many times PVC's occur due to lack of oxygen. Make sure their nasal cannula is in nostrils and not on forehead

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What you are looking for is their basic rhythm. If there is any abnormal arrhythmia....try to find the problem(O2, electrolyte imbalance, sleep apnea, is the patient ambulating in the room, just have an updraft, or even in the bathroom having a bowel movement, etc...) If the rhythm is sustained, then notify their cardiogist of these changes. Unless, of course, they are having v-fib or asystole----call a code immediately.