Why are arrhythmlas dangerous?
a.
they are confusing and cause people to think they are having a heart attack when they are not
b.
c.
they can cause the heart to stop beating.
they cause the blood sugar to get dangerously high.
d.
they are only dangerous if you drink alcohol.

Abnormal heart rhythms (arrhythmias) are caused by problems with the electrical system that regulates the steady heartbeat. ... Some arrhythmias are very dangerous and cause sudden cardiac death, while others may be bothersome but not life threatening.

Explanation:

that's just it