Do you sometimes feel like
your heart is beating very fast, sometimes it's pounding? Or do you feel tired or dizzy for no reason? These can sometimes be normal. However, sometimes they can also be symptoms of a problem with the functioning of our heart. Today we are talking about one such condition, Sick Sinus Syndrome (SSS). Don't worry, let's understand this simply.
Simply put, what is Sick Sinus Syndrome (SSS)?
Think of your heart as a generator in your home. This generator sends electrical signals to the entire heart to beat properly. We call this natural generator in our heart the sinus node. This is the heart's natural
pacemaker .
Sick Sinus Syndrome (SSS) is a condition in which the heart's natural pacemaker, the sinus node, does not work properly. Then the heart's rhythm becomes irregular. Sometimes it beats very fast, sometimes it beats very fast, and sometimes it stops beating for a moment. Various types of irregular heartbeats (arrhythmias) can occur.
What are the main types of SSS?
This condition doesn't come in just one form. There are several main types based on changes in the heart's rhythm. Let's take a look at what they are.
| SSS type | A simple explanation |
|---|
| Sinus Bradycardia | This means that the heart rate is much slower than normal (less than 60 beats per minute). This is normal for athletes who exercise well. But for others, the heart may not be able to pump enough oxygen to the body when it beats so fast. |
| Bradycardia-Tachycardia | This is a very confusing situation. What happens here is that the heart rate suddenly slows down and then suddenly speeds up again . It's like a light flickering. |
| Sinus Arrest/Pause | What happens here is that the heart's natural pacemaker stops working for a moment . That is, one or more heartbeats are skipped. |
| Chronotropic Incompetence | This is a bit complicated. Simply put, your heart rate may be normal when you're at rest. But when you exercise, such as when you're doing strenuous exercise like climbing stairs, your heart rate doesn't increase as much as it should . |
Why does this situation occur?
It's hard to pinpoint a single cause for SSS. Sometimes, the cause can't be found. But there are a few common causes:
- Aging : As we age, heart tissue, like other parts of our body, weakens. This is the main reason.
- Heart disease : If you have had a previous heart attack, or if your heart has been damaged by conditions such as high blood pressure or coronary artery disease .
- Heart surgery : Scar tissue that forms after heart surgery can damage the sinus node.
- Certain medications: Some medications, such as beta-blockers and calcium channel blockers for high blood pressure, can slow down the heart rate .
- Other medical conditions: Sleep apnea, thyroid problems, and some inflammatory diseases can also cause this condition.
- Genetic causes: Very rarely, SSS can also be caused by genetic changes that are passed down through generations.
What are the symptoms of this?
Most people with SSS
do not experience any symptoms . Or the symptoms may be so subtle that they go unnoticed. However, if symptoms do occur, they may include:
- Fatigue
- Dizziness or feeling light-headed
- Fainting
- Difficulty breathing, shortness of breath (Feeling out of breath)
- Chest pain or discomfort
- Memory loss, confusion
- Very slow pulse
- Heart palpitations
Important: If you have one or more of these symptoms, please do not ignore them. Be sure to see your doctor for advice. Perhaps changing one of the medications you are taking may solve the problem.
In particular, if you suddenly experience severe dizziness, fainting, chest pain, difficulty breathing, or confusion, go to a hospital's Emergency Department (ETU) immediately. How do you find this, Doctor?
Your doctor will first ask you about your symptoms. Because the symptoms of SSS are similar to those of other diseases, several tests may be needed to make an accurate diagnosis.
- Electrocardiogram (ECG): This is the most basic test. The electrical activity of your heart is recorded as a line graph. You may also be asked to do an ECG while exercising (Treadmill Test).
- Holter Monitor: An ECG only shows your heart rate at that moment. But changes in the rhythm of SSS occur from time to time. So a small machine attached to your body continuously records your heart rate for about 24 or 48 hours.
- Event Monitor: If the Holter monitor does not detect rhythm changes, an event monitor can be given that can be used for several weeks.
- Electrophysiology Study (EPS): This is a specialized test that involves passing thin wires deep into the heart, mapping the heart's electrical pathways, and pinpointing the exact location of the problem.
What are you doing as treatment?
Treatment depends on the type of SSS you have, the severity of your symptoms, and any other medical conditions you may have.
| Treatment method | Description |
|---|
| Changing medications | If the problem is caused by a medication you are taking, you can solve the problem by talking to your doctor and changing the medication or reducing the dosage. |
| Pacemaker implantation | Many people with SSS eventually need a pacemaker. This is a very small device. It is implanted under the skin, just below the collarbone, during a very small surgery. It detects when the heart rate is too slow and sends electrical signals to the heart to keep it beating at the right rate. |
| Blood Thinners | Since the risk of blood clots in the heart is higher in conditions such as Bradycardia-Tachycardia, these medications may be prescribed to prevent conditions such as stroke. |
| Ablation treatment | Control rapid heart rhythms, find the location of the irregular electrical signals in the heart, and use a special treatment that turns them off. |
Take-Home Message
- Sick Sinus Syndrome (SSS) is an irregular heartbeat caused by the heart's natural pacemaker (sinus node) not working properly.
- Symptoms such as dizziness, extreme fatigue, and loss of sleep may occur. However, many people may not have any symptoms at all.
- If you have these symptoms, don't panic or ignore them, and definitely see your doctor.
- There are treatments (pacemakers, medications). Your doctor will determine the treatment that best suits your condition.
- It is very important to keep your heart healthy by avoiding smoking, controlling cholesterol and blood pressure, eating a healthy diet, and exercising.
Sick Sinus Syndrome, SSS, heart rate, heart rhythm, pacemaker, dizziness, bradycardia, tachycardia, heart disease, heart disease, pacemaker, arrhythmia, chest pain
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