Cardiac muscle is myogenic. What does that mean?

Where is the sino-atrial node (SAN) located?

What is the bundle of His?

What does AVN stand for?

Outline the electrical system of the heart

The SAN is like a pacemaker. What does that mean?

Complete the sentences:
The heart muscle ___________ (loses electrical charge) when it contracts, and ___________ when it relaxes. An _________________ records these changes in electrical charge.

What does a PQRST wave look like?

What does the P wave indicate?

What does the QRS complex indicate?

What does the T wave indicate?

What equation do you use to calculate heart beat (bpm)?

What is tachycardia?

What is bradycardia?

What is ectopic heartbeat?

What is fibrillation?