Sinus tachycardia of the heart: what is it?

A sinus node is a collection of nerve cells that send signals through the muscle tissue of the heart, causing them to contract. It is located in the area above the right atrium.Sinus tachycardia of the heart what is itSinus tachycardia of the heart - what is it? Photo: Getty The increase in the work of the sinus is not always associated with the pathology of the heart, it may have other reasons:

  • Stress state. Nerve strain causes excitation of sinus cells. Attacks of heart palpitations can become chronic in case of constant stress.
  • Violation of the thyroid gland. It is accompanied by the release of a hormone that affects the heart rate.
  • Intoxication of the body. May be the result of alcohol, nicotine, drugs. The same effect is exerted by infectious diseases accompanied by fever, anemia, and pressure reduction.
  • After physical activity. Also, this symptom may occur when lifting out of bed after a long time in a horizontal position.

Cardiogenic manifestations of sinus tachycardiahearts are more dangerous than single short-term physiological disorders. They can talk about heart failure. Pathology is manifested by palpitations, dizziness, anxiety. But the correct diagnosis can be made only after passing an ECG.

Causes of sinus tachycardia of the heart in a child

In a newborn, the heart rate differs from an adult - pathology is an increase in the rhythm of more than 170 beats per minute. It can be caused by different factors:

  • emotional overstrain, fatigue;
  • fear;
  • temperature drops or stuffy room;
  • care handling, swaddling;
  • physical activity.

Most often, these manifestations are not dangerous andpass with time. If a child has a heart condition, then a quickened rhythm may be one of his symptoms. But in this case, the pathology will manifest itself in a state of physical and emotional rest. When a symptom occurs once, it is most likely caused by external factors. With a constant increase in rhythm, you need to consult a doctor. Timely treatment will prevent the occurrence of heart failure.

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