There is still no strong evidence of what are the causes of sinus arrhythmia. Doctors assume that there may be a connection involving your heart and lungs in this illness. Some elderly patients have developed sinus arrhythmia because they have heart disease or a heart condition.
For the doctor to diagnose a sinus arrhythmia, you will undergo an electrocardiogram ECG. An ECG will measure the electrical signals of your heart. It will analyze the data of your heartbeat and help your doctor understand any irregularities. In most cases, you may not require any treatment because sinus arrhythmia does not lead to any health issues, and it is a common occurrence in people today.
But in case you develop sinus arrhythmia due to a heart condition, then your doctor will more likely treat the original condition. Treating the actual disease may help stop sinus arrhythmia. The time between each heartbeat is known as the P-P interval.
In most people, there is a slight variation of less than 0. In cases of respiratory sinus arrhythmia, the P-P interval will often be longer than 0. As the heart speeds up, during exercise, for example, the heart rate rhythm tends to become more regular.
The most common way to diagnose arrhythmia is by taking an electrical recording of the heart rhythm, using a machine called an electrocardiogram ECG or EKG. An ECG or EKG measures several different aspects of the heart, including the rate, rhythm, and intervals between beats. In cases of respiratory sinus arrhythmia, the heart rate per minute is usually normal. However, the time between each beat may vary, indicating an arrhythmia. Often there is a variation of more than 0.
This will give the doctor the clearest sign that the person has sinus arrhythmia. Sinus arrhythmias are common in children and are sometimes found in adults as well.
Children who have respiratory sinus arrhythmia will tend to see their symptoms decrease, as they get older without the need for treatment. While the exact cause of respiratory sinus arrhythmia is not known, researchers believe it may occur to increase efficiency or allow the heart to do less work while maintaining the correct levels of blood gases. There are many types of arrhythmia that originate in other electrical pathways of the heart.
The main types include:. Arrhythmias can affect people of any age, although atrial fibrillation is more common in older people. Sick sinus syndrome SSS is when the sinus node causes abnormalities in the heart rhythm. This occurs when the sinus node scars and is replaced by fibrous tissues over time. SSS more commonly affects older people and both sexes equally.
While SSS may be asymptomatic in some cases, it can also cause a person to experience:. Treatment often includes the use of a pacemaker. Medications, such as digoxin, beta-blockers , and calcium channel blocker can make SSS worse. Your heart is an incredibly hard-working organ, beating about , times a day 35 million times per year to deliver critical oxygen and nutrients throughout your body.
An irregularity in your heartbeat, which we call an arrhythmia, can be cause for concern, but does this include sinus arrhythmia? Yes and no. Van De Bruyn and our team of heart health experts here at Heart Rhythm Associates have an in-depth understanding of the different types of arrhythmias — and there are many, which can make the problem confusing.
In the following, we take a closer look at sinus arrhythmia and whether the condition requires treatment. Initiating each beat and keeping rhythm is your sinoatrial node, a group of cells in your upper right atrium.
These cells send out electrical impulses that cause your atria to contract, forcing blood down into your ventricles. This process occurs times each minute, which is the range for a normal heartbeat rate.
A sinus arrhythmia can present itself in several different ways, including:.
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