About-Cardio
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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.
Paroxysmal Supraventricular Tachycardia (PSVT)
Introduction
Paroxysmal Supraventricular Tachycardia (PSVT) is a type of arrhythmia characterized by sudden episodes of rapid heart rate, originating above the ventricles. It is usually caused by abnormal electrical circuits in the heart and can lead to palpitations, dizziness, shortness of breath, and chest discomfort.
ICD-10 Code for PSVT
In the International Classification of Diseases, 10th Revision (ICD-10), PSVT is classified under I47.1 - Supraventricular tachycardia.
Causes and Risk Factors
- Reentry circuits in the atrioventricular node or accessory pathways (e.g., Wolff-Parkinson-White syndrome)
- Excessive sympathetic stimulation (stress, caffeine, smoking)
- Structural heart diseases (e.g., congenital heart defects)
- Electrolyte imbalances
Symptoms
- Sudden onset of rapid heartbeat (usually 150-250 bpm)
- Palpitations (feeling of pounding heart)
- Dizziness or lightheadedness
- Shortness of breath
- Mild chest discomfort or pain
Diagnosis
- Electrocardiogram (ECG): Identifies characteristic PSVT patterns.
- Holter monitoring: For detecting intermittent episodes.
- Electrophysiological study (EPS): Helps determine the mechanism of tachycardia.
Treatment Options
1. Acute Episode Management
- Vagal maneuvers (e.g., Valsalva maneuver, carotid massage)
- Adenosine injection (rapid IV bolus to temporarily block the AV node)
- Beta-blockers or calcium channel blockers for rate control
- Electrical cardioversion in severe cases with hemodynamic instability
2. Long-term Management
- Medications: Beta-blockers, calcium channel blockers, or antiarrhythmics.
- Catheter Ablation: A procedure to destroy abnormal electrical pathways.
- Lifestyle Modifications: Reducing caffeine, alcohol, and stress.
Prognosis
PSVT is generally not life-threatening, but frequent episodes can impair quality of life. Early diagnosis and appropriate treatment help prevent complications such as heart failure or syncope.
Conclusion
If you experience recurrent episodes of fast heartbeats, dizziness, or chest discomfort, seek medical evaluation. Proper treatment can effectively manage PSVT and improve quality of life.
Source recommendations
1. American Heart Association Guidelines for Supraventricular Tachycardia
- https://www.heart.org/en/health-topics/arrhythmia/about-arrhythmia/tachycardia--fast-heart-rate
- https://www.ahajournals.org/doi/10.1161/cir.0000000000000311
- https://professional.heart.org/en/science-news/-/media/028ddd505f514ea2b3a4e74bb72e3557.ashx
- https://www.ahajournals.org/doi/10.1161/CIR.0000000000001193
- https://professional.heart.org/en/science-news/guideline-for-the-management-of-adult-patients-with-supraventricular-tachycardia
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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