Medical dictionary. 2011.
Pacemaker — A system that sends electrical impulses to the heart in order to set the heart rhythm. The pacemaker can be the normal natural pacemaker of the heart or it can be an electronic device. The natural pacemaker of the heart is the sinus node, one of… … Medical dictionary
Pacemaker artificiel — Stimulateur cardiaque Pour les articles homonymes, voir Pacemaker. Le stimulateur cardiaque, ou pacemaker, ou pile est un dispositif implanté dans l’organisme délivrant des impulsions électriques au cœur et permettant par exemple d’accélérer ce… … Wikipédia en Français
Pacemaker cardiaque — Stimulateur cardiaque Pour les articles homonymes, voir Pacemaker. Le stimulateur cardiaque, ou pacemaker, ou pile est un dispositif implanté dans l’organisme délivrant des impulsions électriques au cœur et permettant par exemple d’accélérer ce… … Wikipédia en Français
pacemaker — n. 1) a device used to produce and maintain a normal heart rate in patients who have heart block. The unit consists of a battery that stimulates the heart through an insulated electrode wire (lead) attached to the surface of the ventricle… … The new mediacal dictionary
lead — I n. a soft bluish grey metallic element that forms several poisonous compounds. Acute lead poisoning, which may follow inhalation of lead fumes or dust, causes abdominal pains, vomiting, and diarrhoea, with paralysis and convulsions and… … The new mediacal dictionary
pacemaker — noun Date: 1884 1. a. one that sets the pace for another b. one that takes the lead or sets an example 2. a. a group of cells or a body part (as the sinus node of the heart) that serves to establish and maintain a rhythmic activity b. an… … New Collegiate Dictionary
Artificial pacemaker — A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted (internally) within… … Medical dictionary
Artificial 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… … Wikipedia
Cardiac 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.… … Wikipedia
Brain pacemaker — Brain pacemakers are used to treat people who suffer from epilepsy, Parkinson s disease, major depression and other diseases. The pacemaker is a medical device that is implanted into the brain to send electrical signals into the tissue. Depending … Wikipedia
