Comment to Bite-sized EKG #4: Lazy Wolf!
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The fact there is a "P" before each of these "PVCs" should be the first clue. Next question, is that: why a sinus drive beat gets all of a sudden short "PR" interval and a wide QRS?
The fact there is a "P" before each of these "PVCs" should be the first clue. Next question, is that: why a sinus drive beat gets all of a sudden short "PR" interval and a wide QRS?