For some time now I have had what have been described as PVCs. I have also noticed that I get what can only be described as a tingling sensation at the back of my head which seems to correspond to the PVC beat pattern. I would hesitate to call this lightheadedness although others may describe it as such. As for the seriousness of this symptom, you need to inform your doctor of it's development, go in for an evaluation, and go from there. I hope this information is useful.
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