Drop/Add and Withdrawal Deadlines. Registration deadlines determine the last day you are able to add, drop or withdraw from classes. Each class has its own set of registration deadlines which are based on the length of the class as well as the session in which the class is held.
cardiac pacemaker - a specialized bit of heart tissue that controls the heartbeat. SA node, sinoatrial node, pacemaker. cardiac muscle, heart muscle - the muscle tissue of the heart; adapted to continued rhythmic contraction.
Get more details about Heart Pacemaker Procedures. The Basics Regarding Pacemaker/Defibrillator Implant Devices Pacemakers are defined as a small electrical appliance or electronic device comprised of a generator and one or more leads that contain an electrode.