Sinus arrhythmia
Sinus Arrhythmia
Sinus arrhythmia (pronounced: /ˈsaɪnəs ˌærɪθˈmiːə/) is a type of heart arrhythmia that involves a variation in the normal rhythm of the heartbeat. It is a common and benign condition, often seen in both children and adults.
Etymology
The term "sinus arrhythmia" originates from the Latin word "sinus", referring to the sinus node in the heart, and the Greek word "arrhythmia", meaning "without rhythm".
Types of Sinus Arrhythmia
There are two main types of sinus arrhythmia:
- Respiratory sinus arrhythmia (RSA): This is the most common type of sinus arrhythmia, where the heart rate varies with respiration. The heart rate increases during inhalation and decreases during exhalation.
- Non-respiratory sinus arrhythmia: This type of sinus arrhythmia is not related to the respiratory cycle. It is less common and can be a sign of sickness, especially in older adults.
Symptoms
Most people with sinus arrhythmia do not experience any symptoms. However, in some cases, individuals may feel an irregular heartbeat, known as palpitations.
Diagnosis
Sinus arrhythmia is typically diagnosed through an electrocardiogram (ECG), which records the electrical activity of the heart.
Treatment
In most cases, sinus arrhythmia does not require treatment. However, if it is caused by an underlying condition, such as heart disease, that condition will need to be treated.
Related Terms
- Arrhythmia
- Heartbeat
- Electrocardiogram
- Palpitations
- Respiratory sinus arrhythmia
- Non-respiratory sinus arrhythmia
External links
- Medical encyclopedia article on Sinus arrhythmia
- Wikipedia's article - Sinus arrhythmia
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