Examlex
What was the primary reason for the creation of the U.S. interstate roadway system?
Cardiac Electrical Impulse
The electrical signals that stimulate the heart to contract, crucial for maintaining a consistent heart rhythm.
SA Node
Sinoatrial node, the heart’s natural pacemaker, located in the right atrium, responsible for setting the rate of heart beats by sending out electrical impulses.
Asystole
A state of no cardiac electrical activity, leading to a lack of contraction of the heart and cessation of blood flow; essentially, cardiac arrest.
Pacemaker
An electronic device that is implanted in the body to regulate the heartbeat by delivering electrical impulses to the heart muscle.
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