Where are pacemakers located in the heart?

The right atrium. The primary pacemaker for the heart in known as the sinus node. It is located in the upper part of the right atrium where the superior vena cava enters. If the sinus node fails to initiate the heart beat, a number of other areas in the atrium, atrioventricular node, and even the ventricles, are capable of assuming pacemaker activity, although usually at a slower rate than would be normal.
Not in heart. The implantable pacemaker is not located in the heart. A pocket is made in the chest so the device lies flat. Wires known as leads extend from the device to the heart to pace it.

Related Questions

What is the normal pacemaker of the heart?

SA node in R atrium. The internal pacemaker of the heart is called the sino-atrial (sa) node and is located in the upper part of the right atrium by the right auricle. It is inherently active in that it doesn't need the brain to operate - just to regulate it. The sa node then directs its signals to the av node to the bundle of his to the purkinje fiber system. This regulates the contraction of all 4 chambers. Read more...
The sinus node. The sinus node is a group of specialized pacemaker cells that is located in the upper right atrium. These cells react to circulating chemicals, such as adrenaline, and there are nerve connections from the brain that modify the heart rate in response to the body's needs. Read more...

What are the three internal pacemakers of the heart?

Conduction system. The general rule with the heart is whomever is beating fastest takes over the pacing function. The main pacemaker is the sa node sinoatrial which beats about 70 beats per minute, if the sa node fails the av node atrioventricular takes over which beats at 40-60, then lower down bundle of his, the left and right branches of this bundle, and the purkinje fibres, these beat around 30-40 bpm. Read more...

I want to know what's the importance of heart pacemaker?

Pacemaker. A pacemaker is an electronic device which uses a lead as an antenna to sense the heart's electrical activity. It uses the same lead(s) to deliver a small electrical impulse to the heart to make it contract if the heart isn't going as fast as the device was programmed to maintain. Pacemakers both sense heart activity and pace it to produce activity. They maintain heart rate. Other things too.... Read more...

What occurs to your heart pacemaker if an emp strike went off?

Pacemakers. Pacers are sealed quite well from electromagnetic fields, it takes a very strong field to cause them problems. An emp would have to be very powerful to affect the device. Read more...

How many seconds is the length of the pause categorized dangerous and must wear a pacemaker?? sometimes I was pause when my heart fibrilation.

ACCF recommendations. Generally, if there is a sustained P wave duration (long first beat) of more than 120msec, atrial pacing is recommended in this situation. But the American College of Cardiology Foundation recommends that permanent pacing is not recommended to prevent Afib in the absence of another indication for a pacemaker, but does recommend one for patients with Afib and slow heart rate ( Read more...

The cells that works as ur "pacemaker", what's the difference between them and ur other cells in heart? Does everyone has the potential to develope EAT?

Pacemaker. In the high right atrium there are a group of specialized cells that depolarize spontaneously, a function which is different than other myocardial cells. These initiate the cardiac rhythm and are named "pacemaker cells" - Collectively, they are termed "the sinus node". Read more...