Pacemaker
61pacemaker cell — a myocardial cell demonstrating automaticity; i.e., one that initiates electrical activity in the absence of external stimuli. Called also automatic c …
62pacemaker current — the small net positive current flowing into certain cardiac cells, such as those of the sinoatrial node, causing them to depolarize …
63pacemaker of heart — cardiac p …
64pacemaker potential — the slow diastolic depolarization of cell membranes that normally occurs in the sinoatrial node, atrioventricular node, and His Purkinje system; under some abnormal conditions it can also occur in atrial and ventricular muscle fibers …
65pacemaker-mediated tachycardia — in patients with dual chamber pacemakers, tachycardia caused by retrograde conduction of ventricular impulses, either premature ventricular complexes or impulses triggered by ventricular pacing which are sensed by the atria and trigger a… …
66Artificial pacemaker — Cardiac resynchronization therapy and CRT (Cardiac Resynchronization Therapy) redirect here. For the device termed a CRT D, see Implanted cardiac resynchronization device. For other uses, see Pacemaker (disambiguation). A pacemaker, scale in… …
67National Pacemaker Awards — The National Pacemaker Awards are awards for excellence in American student journalism, given annually since 1927. The awards are generally considered to be the highest national honors in their field, and are unofficially known as the Pulitzer… …
68The Pacemaker — is a Pocket Size DJ System . [cite news last=Blass first=Evan url=http://www.engadget.com/2007/05/04/the pacemaker worlds first pocket size pro dj system/ title=The Pacemaker: world s first pocket size pro DJ system work=Engadget date=2007 05 04… …
69Hudson Pacemaker — Der Hudson Pacemaker war ein PKW der Hudson Motor Car Co., der im Modelljahr 1933 hergestellt wurde und wie der Greater Eight des Vorjahres zu den Serien T und L gehörte. Der Name Pacemaker (dt.: Schrittmacher) wurde von den Vorjahresmodellen der …
70Cardiac pacemaker — The contractions of the heart are controlled by chemical impulses, which fire at a rate which controls the beat of the heart.The cells that create these rhythmical impulses are called pacemaker cells, and they directly control the heart rate.… …
