Normal frequency of the heart sets special sinoatrial node, which can be found in the right atrium. He releases a charge of electricity, which causes immediate contraction of the atrium. It is through a complex system of special cells spreads through the myocardium. Rate normal well is regulated by specific nerves and humoral ( catecholamines, e.g., adrenaline). So the heart adapts to the needs of the body of his master, that is, during times of stress, excitement or physical exertion the rate becomes much more.
The Extrasystole – «klineline” of additional beats in the normal rhythm of the heart, they & ndash; create an extraordinary and heart additional complications. They occur when an electric charge is transferred from a region outside the sinoatrial node.
Supraventricular beat occurs in two cases. Or if any area of the Atria depolarizes ahead of time, or if this extraordinary momentum sends atrioventricular node. In 60% of healthy people there are isolated extrasystoles “native” from the atrium. However, they are typical and for some conditions, such as heart attack and abnormalities of the mitral valve. They can trigger the uncontrolled reduction – fibrillation, and therefore cannot be ignored extrasistole. Alcohol along with caffeine will exacerbate the problem.
Ventricular premature Beats occur in people of any age. It is not uncommon. If recording of ECG for 24 hours, 63% of absolutely healthy kardiologicheskii revealed a single ventricular extrasystoles. However, a large number of they occur in people with abnormal structure of the heart. This often happens after a heart attack.
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In children, the ventricular extrasystole occurs about as often as atrial usually regular physical exercises of low intensity that it ceased to appear. Only if there is an abnormal structure of the atrium it can cause atrial fibrillation.
As for the heart that has the right structure, I must say, the ventricular premature beats are not dangerous. However, if they begin to appear more frequently during physical activity, which is a bad sign.
If the identified anomaly structures, be sure to visit the cardiologist. Otherwise the situation can become life-threatening.
Risk Factors manifestations extrasystoles include hypertension, age, hypertrophy of ventricle, heart attack, cardiomyopathy, deficiency of calcium, magnesium and potassium, taking amphetamines, tricyclic antidepressants and digoxin, alcohol abuse, stress, intake of caffeine and infection.
Patients Usually complain of palpitations. Ventricular arrhythmia is manifested by the extraordinary reductions after the normal shock and is accompanied by a sense of “stops” heart. This strange feeling for a person unusual, so it is marked as a symptom. Some people are very much worried.
Normally at rest condition worsens, and the load – is in itself. However, if under load they become stronger, it is not a good sign.
Also, symptoms are fainting, weakness, and a chronic cough that cannot be attributed to other causes.
Those who suspect anomalies in the structure of the heart, assigned to the echocardiography and ultrasound. Checks the composition of blood and the amount of thyroid hormones, as well as the sufficiency in blood electrolytes (calcium, magnesium, potassium). Samples are often held in the form of forced physical activity: check the frequency of extrasystoles under load and at rest.
In most cases, the extrasystole – is not a reason for alarm, however if you suspect them – go to the doctor you trust. Constant anxiety is killing more people than beats.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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