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 GENERAL INFORMATION
The pumping of the heart must be constant and continuous. If for any reason it is interrupted, the heart cannot take the blood that all the textiles of the organism need to live.
The heart is, in itself, a set of two bombs, each of which consists of two hollow cameras formed for m&ua·lo involuntarily. The contraction of the above mentioned muscle does that the blood is pumped.
One of the cameras of the heart, the right auricle, contains a group of cells called the nodule sinusal. This nodule sinusal acts like a pacemaker, producing electrical impulses that they do that the muscle of the heart contracts and relaxes with every cardiac cycle.
The cardiac frequency that the above mentioned electrical impulses determine depends on the activity in a given moment, from 60-80 beats per minute in rest situation even more than 200 beats per minute when exercise is done, so that he insures himself the sufficient nutrients supply to the muscles and to the rest of the organism.
When the generation or the conduction of the above mentioned electrical impulses is defective, there take place the arrhythmias, which can change from too rapid rhythms (tachycardia) too slow (bradicardia).
CAUSES
There is multitude of factors that can cause arrhythmias, including different illnesses of the heart or not cardiac (for example, the hipertiroidismo, the pulmonary illnesses...), but also the coffee and food and drinks rich in caffeine, the tobacco, the alcohol, certain illegal drugs, and some medicines can produce arrhythmias in hearts previously healthy.
SIGNS AND SYMPTOMS
They can be from nonexistent (chance find in a routine medical recognition) to very flowery. There can be palpitations, and in some case sensations of sickness of different intensity. It depends on the type of arrhythmia.
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