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DOES THE PACEMAKER RATE ADDED TO THE INTRINSIC RATE OF THE PATIENT IN FIXED MODE?
In fixed mode, a pacemaker delivers electrical impulses at a set rate regardless of the patient's intrinsic heart rate. If the intrinsic heart rate is lower than the pacemaker's set rate, the pacemaker will override it and maintain the fixed rate. However, if the intrinsic rate exceeds the pacemaker rate, the pacemaker will not increase its output; it simply provides support when the intrinsic rate is insufficient. Thus, the pacemaker rate does not add to the intrinsic rate in fixed mode.
What does artificial pacemaker do?
An Artificial Pacemaker basically regulates the rate of the heart beat depending on the needs of the body.
What are the group of cells that adjusts the heart rate?
Pacemaker
What name is the rate set by the heart pacemaker?
Pacemakers are set by the surgeon-physician at the time it is implanted. Most times, the pacemaker is simply set to a normal heart rate (around 70-80 beats per minute). The primary function of the pacemaker is to restore a more regular beat when the heart cannot maintain a normal heart rate. You should consult your physician-surgeon for particulars about your pacemaker, its use, function, and signs/symptoms to watch for after the pacemaker is implanted.
Why do you need a pacemaker if you already had bypass?
A bypass merely clears the flow in the arteries, the pacemaker keep the heart beating at a steady rate.
Is a pacemaker a group of cells located in the left atrium?
A pacemaker is a device inserted into the heart to regulate the heart beats or heart rate
A pacemaker adjusts the heart rate to correspond to the body's?
Oxygen needs
What property makes the normal pacemaker region of the heart function as a pacemaker?
The property of the normal pacemaker region is able to provide a normal setting for the heart to beat. It allows the heart to beat at a regular rate.
How does a drug that increases the length of time required for the repolarization of pacemaker cells affect the heat rate?
would decrease the heart rate, because the pacemaker cells would generate fewer action potentials per minute
What is the Role of artificial pacemaker in heart if patient has a heart disease?
Pacemaker help to normalize the electrical impulses conductance of the heart. usually people with pacemaker has an abnormal impulse originated from their SA node. so, the pacemaker is placed so that the heart can contract at a normal rate and thus prevent arrhythmia.
Effect of calcium ions on the heart rate?
Calcium has no effect on heart rate. It does, however, have an effect on how hard the heart squeezes (inotropic effect). Heart rate is effected by the slow sodium channels in the pacemaker cells in the right atrium (and other pacemaker cells if the SA node is malfunctioning).
What is the difference between a fixed-rate pacemaker and a demand pacemaker?
A fixed-rate pacemaker sends electrical prompts to your heart at an unchanging rate. Its drawbacks include that it is somewhat difficult to adapt to a state of physical exertion or emotional arousal.A more advanced type, called a demand pacemaker (there are several types) kicks in after your cardiac function varies outside a pre-set normal rate. It then brings your heartbeat into a more efficient rhythm. (Sinus-rhythm.)A demand pacemaker does not take the place of an implanted defibrillator! If a lifethreatening cardiac arrhythmia develops, it takes a defibrillator -- an implanted one or an external unit used by someone trained to respond -- to correct ventricular fibrillation. If it is not corrected, v-fib is fatal.Demand pacemakes are used to restore a normal heart rate that only becomes abnormal occasionally. A fixed rate pacemaker is used when the problem is always there and the heart won't keep going without constant help.
