In the past, an irregular heart rhythm was treated by using a drug to help regulate the beat. There is a treatment that can also regulate heart rhythms that has replaced drugs in some cases. What is that

asked Sep 15, 2020 161k views

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3 votes

Answer:(A) on edge

Step-by-step explanation:

Pacemaker

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4 votes

A pacemaker regulates heart rhythms without drugs.

Woodpav answered Sep 22, 2020

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