Recent Blog Articles
Gun violence: A long-lasting toll on children and teens
Adult female acne: Why it happens and the emotional toll
Talking to your doctor about your LGBTQ+ sex life
Untangling grief: Living beyond a great loss
Thunderstorm asthma: Bad weather, allergies, and asthma attacks
Heart problems and the heat: What to know and do
I’m too young to have Alzheimer’s disease or dementia, right?
Period equity: What it is and why it matters
Back pain: Will treatment for the mind, body—or both—help?
Colon cancer screening decisions: What’s the best option and when?
Heart Health
What is sick sinus syndrome?
Ask the doctor
Image: © Zinkevych/Getty Images
Q. After I experienced a few fainting episodes, I was diagnosed with sick sinus syndrome. My doctor says I might need a pacemaker. Can you tell me more about this condition?
A. Despite the name, sick sinus syndrome has nothing to do with your nasal passages. Instead, it refers to various heartbeat irregularities that can cause dizziness, fainting, or shortness of breath. Most cases are due to age-related changes in the heart muscle that disrupt the heart's electrical system. Sometimes, another form of heart disease or medication that slows the heart is to blame. Sick sinus syndrome is most common in people in their 70s and 80s.
To continue reading this article, you must log in.
Subscribe to Harvard Health Online for immediate access to health news and information from Harvard Medical School.
- Research health conditions
- Check your symptoms
- Prepare for a doctor's visit or test
- Find the best treatments and procedures for you
- Explore options for better nutrition and exercise
I'd like to receive access to Harvard Health Online for only $4.99 a month.
Sign Me UpAlready a member? Login ».
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
Free Healthbeat Signup
Get the latest in health news delivered to your inbox!
