What is the demand of a pacemaker?

Artificial pacemakers, also called pacemakers, release electrical pulses in two ways. They can be programmed to emit electrical pulses at a stable speed that does not respond to heart activity. These are known as cardiac with a fixed rate. Alternatively, cardiac demands can release electrical impulses when heart rate falls outside a predetermined zone or rhythm skips. Thus, cardiac demands are used to regulate arrhythmias, which are heart rhythms that are irregular, where the heart beats too quickly or too slowly.

Cardiastimulators who work on request are known as permanent pacemakers. They are implanted to regulate heart rate problems that occur for a long time. In 1958, Wilson Greatbatch and W.M. Chardack created the first implantable permanent pacemaker. Only six years later in 1964 was designed by Greatbatch Cardiostimulator of the demand that was availablealso for use in 1966. The advantages of using cardiosters of demand have been realized by Shorllo of this.

One of the advantages of the cardiac demand is that they prevent the occurrence of what is called competing rhythms. They occur when the inner mechanism of formation of the heart rate and the pacemaker with a fixed rate stimulates the heart rhythm at the same time. This current shooting usually occurs, because the arrhythmias are only occasional. When they do not occur, the inner pacemaker of the heart and heart normally beats. A fixed -rate pacemaker cannot detect an internal heart rhythm and emit electrical impulses at the same time when the heart of its own pacemaker, causing competitive rhythms. Once they were considered harmless, competing rhythms were associated with higher mortality and health problems in cardiac patients.

Cardiostimulator demand feels the activity of the heart that allows him to refrainEmitation of electrical impulses, while the heart is retained by fire. This eliminates the possibility of competing rhythms. If you do so, it has increased clinical usability of cardiac treatment with a condition that would cause a competitive rhythm from a fixed cardiac with a fixed rate, but would still benefit from any stimulation.

Another advantage of the demand pacemaker is that shooting less often allows you to book your battery energy for a much longer time than cardiac with a fixed rate. Cardicement of demand is also advantageous because it protects against a state known as the ventricular asystole. Ventricular asystole refers to the lack of mechanical and electrical activity in the heart - a condition that can cause a person to faint and in many cases fatal. When shooting the absence of a heart rhythm, the cardiac sends an electrical impulse to catalyze the heart to avoid fainting or death.