Tachycardia is an abnormally fast heartbeat an irregular heartbeat a slow heartbeat a normal heartbeat

1st-degree AV heart block can occur with any rhythm originating in the SA node, such as sinus rhythm, bradycardia, or tachycardia

Tachycardia is a common type of heart rhythm disorder in which the heart beats faster than normal while at rest.

answer; 4% i believe this is correct;