More cards in this set

How can the difference be measured?

What happens when a cell is stimulated by an electrical signal?

What is this increase known as? What does it do?

What does an electrocardiograph do? (ECG)

What happens when the heart beats?

What happens when the action potential has passed?

What do the potentials produce?

How does an ECG record the heart's action potentials?

How are the results displayed?

What is the heart's natural pacemaker?