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An artificial cardiac pacemaker (or artificial pacemaker, so as not to be confused with the natural cardiac pacemaker) or just pacemaker is an implanted medical device that generates electrical impulses delivered by electrodes to the chambers of the heart either the upper atria, or lower ventricles to cause the targeted chambers to contract and ...
Each pulse causes the targeted chamber(s) to contract and pump blood, [3] thus regulating the function of the electrical conduction system of the heart. The primary purpose of a pacemaker is to maintain an even heart rate, either because the heart's natural cardiac pacemaker provides an inadequate or irregular heartbeat, or because there is a ...
“A pacemaker is an implanted device that (tracks) the patient’s heart rate, and when it senses the heart rate below a certain programmable number — that’s usually either 50 or 60 — then ...
[18] [20] Since its first discovery, there have been many definitions of pacemaker syndrome, and the understanding of the cause of pacemaker syndrome is still under investigation. In a general sense, pacemaker syndrome can be defined as the symptoms associated with right ventricular pacing relieved with the return of A-V and V-V synchrony. [17]
Doctors can "see" inside a patient's heart, pumping under different conditions to locate problems. They can hear the heart beating and watch the blood and oxygen flow—all without cutting into ...
This makes your heart beat slowly or skip beats and your heart can’t pump blood effectively. Symptoms include dizziness, fainting, tiredness and shortness of breath. Pacemaker implantation is a ...