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A member asked:
Can 2 pvcs in a row cause vtach?
4 doctors weighed in across 2 answers
Not typically: Usually need a run of at least 3-6 beats to even call it v tach. Depends on what is causing the pvcs as to if it will cause v tach.
Answered 5/4/2018
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Possible, not likely: If the PVC comes at just exactly the right time (or really at the wrong time), it can cause v-tach. It's called the r on t phenomenon. If the ventricular electrical impulse occurs during the recovery phase of the preceding beat, ventricular tachycardia can occur.
Answered 6/29/2020
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