EKG Flashcards 4

Front

What is the proper speed for EKG recording? (Standardization speed) Options: 25mm/sec, 20mm/sec, 15mm/sec, 10mm/sec

Back

25mm/sec

Front

What color is the ground lead? (RL)

Back

green

Front

About how wide is a normal coronary artery?

Back

1/8 inch

Front

What is another name for the bicuspid valve?

Back

mitral valve

Front

Why is there gel on the electrodes?

Back

the gel conducts electricity

Front

What is the name of the sac that encloses the heart?

Back

the pericardial sac

Front

What is the first thing that contributes to a heart attack?

Back

Plaque builds up in the arteries, causing them to to narrow

Front

What is the second thing that happens that could cause a heart attack? A piece of plague breaks off and bleeds, causing a clot to form, an embolus, hardening of the arteries, blockage of coronary arteries

Back

A piece of plague breaks off and bleeds, causing a clot to form

Front

What is the 3rd step in a possible heart attack?

Back

The clot travels to an artery that is too narrow for it to pass through.

Front

What is the fourth thing that happens in the process of a heart attack?

Back

myocardial tissue of the heart suffers death due to insufficent blood flow to the heart