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Sinus Arrhythmia – Symptoms – Diagnose And Treatment

Sinus Arrhythmia

Sinus Arrhythmia: It is necessary to know first what an arrhythmia is. Before trying to know Sinus Arrhythmia. This medical term refers to irregular and unusual changes in the heartbeat of the person.

Sinus Arrhythmia often described as the heart slowing down in a somewhat concerned state when a person is breathing out. During this state, the heartbeat also raises when the person is inhaling.

This strange behaviour of the heart considered dangerous and even deadly to the person if this condition is not identified, and sinus arrhythmia treatment performed quickly.

There are four main types of arrhythmia.

  • Premature (extra) beats
  • Supraventricular arrhythmias
  • Ventricular arrhythmias
  • Bradyarrhythmias
Sinus Arrhythmia

Sinus Arrhythmia Symptoms

There are many kinds of Arrhythmia and Sinus Arrhythmia is the most common of all and although it can affect anyone, it ordinarily affects adults older than the age of seventy.

Sinus Arrhythmia symptoms include:

  • Missed beats,
  • May come in single or multiple beats
  • May be held anywhere from the stomach to the head
  • Dizziness
  • Fainting
  • Chest pain
  • Shortness of breath


  • Blood tests
  • Electrocardiogram (ECG)
  • Heart monitor

Sinus Arrhythmia Treatment

For most patients who suffer from some types of arrhythmia, especially atrial fibrillation, doctors usually prescribe blood-thinning medications.

The most common one is warfarin, although this medication is potent with some side effects.

If patients prescribed with this, doctors’ instructions must strictly follow before taking it. Unless patients subsequently opt for surgical procedures, for example, catheter ablation, taking such medications is lifelong.

Patients who taking warfarin are required to make regular blood tests to determine how it is helping as an anticoagulant agent. Called International Normalised Ratio or INR, the doctor will decide if it meets the requirement of between 2-3 for patients taking warfarin.

For patients not on warfarin, the acceptable reading for INR is ’1′. This test will provide appropriate treatment given by the doctor. For example, if the INR is too high, this may cause bleeding, and if it is too low, it means patients’ blood could clot.

Blood clotting in the heart is dangerous as it can lead to a person getting a stroke called a transient ischaemic attack, when blood stops flowing to the brain.

Thankfully there are many newer drugs besides warfarin that doctors can prescribe to patients depending on how responsive patients are to the drugs. The disadvantage of using warfarin is that this drug reacts with some typical food like green vegetables.

So patients have to change their diet. Otherwise, their INR becomes very unstable and could pose a real danger. Newer drugs do not have this food reaction.

However, the downside is that these newer drugs are much more expensive, especially since it is going to be a lifelong medication for the patients.

Also Read: Rheumatic Heart Disease

Sinus Arrhythmia – Medical Explanation

The name associated with the pacemaker of the heart is known as the sinoatrial node. In an average 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 rapid heartbeat can be a result of an exercise. A person’s getting overexcited when pain experienced, and this leads to the secretion of the thyroid hormone.

So the absence or decrease of normal sinus rhythm is known as arrhythmia, which is also known as 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 for generating electrical impulses continuously. When a person suffers from this type of Arrhythmia, this pattern 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 severe cases, the heart can even stop beating for a short time before resuming beating again.

Commonly Found In Children

If your child diagnosed with any arrhythmias. 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.

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.

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 heartbeat to become irregular.


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