What is Sinus Arrhythmia? - Facts on What is Sinus Arrhythmia

In medical terminology "The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural response and is more accentuated in children than adults".

The pacemaker of the heart is called sinoatrial node. Normal cardiac stimulus starts from the right atrium (the right upper chamber of the heart) and travels through the atria and down to the ventricles (the lower chambers of the heart). The fast movement of the heartbeat is called Sinus tachycardia. It is due to exercise, excitement, pain, exertion or over secretion of the thyroid hormone. Usage of caffeine also stimulates fast heartbeat. So lack of normal sinus rhythm is called arrhythmia. In simple words it is abnormal heart rhythm.

In simple terminology on what is sinus arrhythmia. It may be described as slowing down of heart while exhaling and increasing of heart beat while inhaling. The anomaly should be treated immediate or else it may prove fatal.

What is sinus arrhythmia confused with. It is always confused with heart disease. Even a person who does not have a heart disease could have acute sinus arrhythmia ailment. Sometimes, it is also found to co-exist with a heart disorder A patient in this case is most likely to die of heart illness than sinus arrhythmia.

Sinus arrhythmia should not be confused with sinus bradycardia. Sinus arrhythmia affects the vagus nerve which activates the nervous system which controls the heart beat resulting in the failure of medulla oblongata. It sends wrong signals to the heart decreasing the heart rate. It occurs mostly in middle-aged adults. The situation worsens with increase in age.

Common indications

A person infected by this disease feels dizzy or breathless. You could experience that your heart has missed a beat or faintness. One should not get confused with the normal course unless it becomes too obvious. Medical attention is required at this stage.

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