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 ...
How does the heart's electrical system work? · The SA node (called the pacemaker of the heart) sends out an electrical impulse. · The upper heart chambers (atria) ...
Learn about your heart's anatomy, blood flow, electrical system and heartbeat, heart conditions and diseases, and NHLBI research on the ...
What to know about the different heart tests your doctor recommends.
For example, in order for the heart to pump, cells must generate electrical ...
The original electrical impulse travels from the sinus node across the cells of your heart's right and left atria. The signal travels to the AV node (atrioventricular node ) ...
A network of specialized muscle cells is found in the heart's walls.
The electrical impulses may happen too fast, too slowly, or erratically
The third order of electrical influence of the heart is derived from the vagus nerve as the other peripheral organs form.