4.
pacermaker node of the heart
5.
another name for atrial contraction
6.
impulse causes contraction
7.
resting state after contraction
8.
ion responsible for contraction
9.
picture of the electrical conduction of the heart
10.
aging usually causes the SA node to do this
12.
quivering of the chamber without ejection
13.
heart rate less than 50
14.
heart rate greater than 100
15.
device to take over the role of the pacing cells
16.
most common type of dysrhythmia as we age
17.
chest sensation of skipped beats
18.
major complication of afib
