An ectopic focus is the place where
A) An abnormally excitable area of the heart initiates a premature action potential.
B) All of the electrical impulses of the heart terminate normally.
C) An ECG lead is attached on the outside of the chest.
D) A heart valve is attached.
E) The chordae tendineae attach to a valve.

Question

Quizplus · Accepted Answer

An ectopic focus is an area of the heart that initiates action potentials abnormally, usually prematurely. This can lead to abnormal heart rhythms and potentially serious consequences.

An Ectopic Focus Is the Place Where