sinus arrhythmia

Abnormal Heart Rhythms-Sinus Arrhythmia


Before trying to understand Sinus Arrhythmia it is important to know first what an arrhythmia really is. This medical term refers to an irregular and abnormal change in the heartbeat of the person. Sinus Arrhythmia is often explained as the heart slowing down in a somewhat anxious state when a person is breathing out. During this state, the heartbeat also increases when the person is inhaling.  However this is quite normal and may affect adults although it is more common with children.



Sinus Arrhythmia should not be confused with some other arrhythmias like atrial fibrillation, supraventricular tachycardia which are deemed as potentially cardiac arrhythmia.

sinus arrhythmia

Sinus Arrhythmia Causes and Symptoms

There are many forms of Arrhythmia and Sinus Arrhythmia is the most common of all and although it can affect anyone, it usually affects adults older than the age of seventy. Sinus Arrhythmia symptoms include getting dizzy and being breathless. Many such patients tend to find getting irregular heartbeats very common during their daily course of activities. Many patients who suffer from this condition often do not suffer any serious heart diseases. So even if patients have both heart diseases and arrhythmia especially Sinus Arrhythmia, it is often their heart diseases that prove more damaging to their health sometimes deteriorating until they succumb to death.

Sinus Arrhythmia – Medical Explanation

The name associated with the pacemaker of the heart is known as sinoatrial node. In a normal person the cardiac stimulus begins from the right upper chamber of the heart traveling the atrica downwards into the lower chamber called ventricles. Sinus tachycardia is the name used to describe the fast movement of the heartbeat. A fast heartbeat can be a result of an exercise, a person’s getting over excited, when pain is experienced and this leads to secretion of the thyroid hormone. So the absence or decrease of normal sinus rhythm is known as arrhythmia which is also known as an abnormal heart rhythm.

Sinus Arrhythmia – Explained Simply

You can view your heart as having a natural pacemaker that helps in the continuous beating every day of your life. This pacemaker can be found in your heart chamber located on your upper right side and is called the sinus node. This node is responsible to generate electrical impulses continuously. When a person suffers from this type of Arrhythmia, this pattern is somewhat changed and it affects the normal heartbeat rhythm to become seriously threatening to your health if left untreated. The heart function becomes abnormal and in some serious cases the heart can even stop beating for a short time before resuming beating again.

Types of Arrhythmia Explained

The video below explains the different types of Arrhythmia and how your heart works in each type:

- The chambers and electrical conducting system of the heart

- Normal heartbeats, heartbeats of Sinus Tachycardia, Sinus Bradycardia, Ectopic beats or extra beats

- What is Atrial Fibrillation and how it impacts your heart

- Heart block that results in slowing down your heart rate

- When your heart pumps irregularly and too fast

- Supraventricular Tachycardia (SVT)

Types Of Abnormal Heart Rhythms Commonly Found In Children

If your child is diagnosed with any type of arrhythmia such as Supraventricular Tachycardia or commonly called SVT, doctors may prescribe antiarrhythmic medication as a treatment. This would help to regulate and control the heart rate and rhythm. Doctors may also suggest doing Catheter Ablation which is an invasive procedure. Read more in this article “What Types Of Abnormal Heart Rhythms Are More Common In Children?” Download Here

Ensure Sinus Arrhythmia Treatment Early

Most of these sinus rhythms thankfully are not fatal so if a person has been diagnosed with this medical condition, it is not a death penalty and you won’t die from it unless the patient is very old and weak. Generally this medical condition is treatable if it is detected early and treated by your doctor. Most cases of Sinus Arrhythmia impact just your vagus nerve which causes your heart beat to become irregular.

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