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We provide our users the most up-to-date and accurate information on the treatment and prevention of cardio pathologies in accordance with current American and European clinical guidelines.
The information provided on this website is for educational purposes only and should not be considered medical advice. Always consult a licensed physician for diagnosis and treatment.
Supraventricular Tachycardia (SVT) Symptoms and Explanation
Introduction
Supraventricular tachycardia (SVT) is a condition where the heart beats faster than normal due to improper electrical activity above the ventricles. It commonly affects young and otherwise healthy individuals, but can also be seen in older adults with underlying heart conditions.
Key Symptoms of SVT
SVT episodes can vary in duration and frequency. Symptoms may include: - Palpitations: A sensation of rapid, fluttering, or pounding heartbeats. - Dizziness or Lightheadedness: Due to reduced blood flow to the brain. - Shortness of Breath: As the heart struggles to pump effectively. - Chest Discomfort or Pain: This can range from mild to severe. - Fatigue: Caused by the increased heart rate and reduced oxygen distribution. - Sweating: Due to the hyperactive state of the cardiovascular system. - Fainting (Syncope): In severe cases, due to sudden drops in blood pressure.
When to Seek Medical Help
- If symptoms last longer than a few minutes or occur frequently.
- If you experience chest pain, fainting, or severe dizziness.
- If you have a history of heart disease and develop new symptoms.
Diagnosis and Treatment
- Electrocardiogram (ECG): To detect abnormal heart rhythms.
- Holter Monitoring: To capture irregular episodes over 24-48 hours.
- Vagal Maneuvers: Techniques like the Valsalva maneuver may help stop an episode.
- Medications: Beta-blockers or calcium channel blockers may be prescribed.
- Catheter Ablation: A procedure that can permanently correct recurrent SVT.
Lifestyle and Prevention
- Avoid excess caffeine and alcohol.
- Manage stress with relaxation techniques.
- Stay hydrated and maintain a balanced diet.
- Learn vagal maneuvers to manage episodes when they occur.
Conclusion
SVT is not usually life-threatening, but it can significantly impact quality of life. If you experience symptoms, it is important to seek medical advice for proper diagnosis and management.
Source recommendations
1. American Heart Association Guidelines on Arrhythmias
- https://www.heart.org/en/health-topics/arrhythmia
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000001193
- https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000000549
- https://pubmed.ncbi.nlm.nih.gov/29084733/
2. European Society of Cardiology Guidelines on Supraventricular Tachycardia
- https://www.escardio.org/Guidelines/Clinical-Practice-Guidelines/Supraventricular-Tachycardia
- https://academic.oup.com/eurheartj/article/41/5/655/5556821
- https://pubmed.ncbi.nlm.nih.gov/31504425/
- https://www.acc.org/Latest-in-Cardiology/ten-points-to-remember/2019/09/10/12/36/2019-ESC-Guidelines-for-Supraventricular-Tachycardia
- https://www.ahajournals.org/doi/10.1161/cir.0000000000000311
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If you or your loved ones experience any of these symptoms, you should consult a doctor in time. Remember that self-medication can be dangerous, and timely diagnosis will preserve the quality and life expectancy.
The heart is an organ that does not know how to "keep silent" if something goes wrong. Chest pain, shortness of breath, swelling, dizziness, and rhythm disturbances are the symptoms that require our attention. The best prevention of heart disease is careful attention to your health, regular checkups with a doctor, and a healthy lifestyle. Take care of your heart, and it will serve you for many years!
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