What Exactly is Sinus Bradycardia?
What Exactly is Sinus Bradycardia?
Understanding the Basics
Sinus bradycardia is a condition where the heart beats slower than usual. This article breaks down the causes, symptoms, and treatments associated with this intriguing heart rhythm.
Contents
- What is Sinus Bradycardia?
- Why Does Sinus Bradycardia Happen?
- Symptoms to Watch For
What is Sinus Bradycardia?
Sinus bradycardia occurs when the heart rate drops below 60 beats per minute. This slower rhythm originates from the heart's natural pacemaker, the sinoatrial node. While often harmless, it can sometimes signal underlying health issues.
Why Does Sinus Bradycardia Happen?
The condition can be a normal response in athletes or during sleep. However, it may also result from medications, heart conditions, or other health problems. Understanding the cause is crucial for proper management.
Symptoms to Watch For
Many people with sinus bradycardia are symptom-free, but some may feel dizzy, fatigued, or even faint. These symptoms often indicate a need for medical evaluation, especially if they interfere with daily life.
FAQs
What is sinus bradycardia?
It's a slower than normal heart rate below 60 beats per minute.
Is sinus bradycardia dangerous?
It can be harmless but may indicate underlying heart issues.
Who commonly experiences sinus bradycardia?
Athletes and people during sleep often experience it naturally.
The Bottom Line
Understanding sinus bradycardia can help manage any potential health risks.
Additional References
- Spodick DH. Normal sinus heart rate: sinus tachycardia and sinus bradycardia redefined. Am Heart J 1992; 124:1119.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic.