The heart is a pump made of muscle tissue. Its pumping action is regulated by electrical impulses.
Two different types of cells in your heart enable the electrical signal to control your heartbeat: Conducting cells carry your heart's electrical signal. Muscle cells ...
Your heart's electrical system controls the timing of your heartbeat by regulating your: Heart rate, which is the number of times your heart beats per minute. Heart ...
The third order of electrical influence of the heart is derived from the vagus nerve as the other peripheral organs form. Function[edit]. Action potential generation[ ...
The electrical system of your heart is the power source that makes this possible. Your heartbeat is triggered by electrical impulses that travel down ...
The American Heart Association explains that arrhythmia refers to any change from the normal sequence of electrical impulses, such as atrial ...
Sequence of Cardiac Electrical Activation. conduction velocities in the heart. The action potentials generated by the SA node spread throughout the atria ...
the PR segment represents the time of AV nodal delay and transmission to the ...
A network of specialized muscle cells is found in the heart's walls.
First-degree heart block occurs when the electrical impulse moves through the heart's AV node more slowly than normal. This usually results in a ...