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Doctor insights on: Svt Dangerous

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Are svts dangerous? I have anxiety and benign pvcs that scare me into rapid heart rate but sometimes it beats fast after eating. Why? Very uncomfortab

No: Most skipped heart beats are not dangerous. Avoiding caffeine and trigger foods such as alcohol can help. If you have svt- that is a sustained abnormal rhythm that must be monitored by cardiologist. If your heart function is normal and you don't get chest pains or pass out then you should be fine. ...Read more

Dr. Warren Foster
401 Doctors shared insights

Supraventricular Tachycardia (Definition)

A condition in which the electric impulses that control the pace of the heart are not ...Read more


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Is SVT dangerous? I keep having thease attacks where mt heart will beat erratic for a short period. I am also 31 weeks pregnant. Will it affect my kid

Is SVT dangerous? I keep having thease attacks where mt heart will beat erratic for a short period. I am also 31 weeks pregnant. Will it affect my kid

SVT: At your age svt is unlikely to be dangerous especially if limited in duration but certainly inconvenient. Beta blockers are used to treat or reduce svt in pregnancy....Talk to your physician. ...Read more

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I'm on Propranolol for SVT! How dangerous is general anesthesia for me heart?

I'm on Propranolol for SVT! How dangerous is general anesthesia for me heart?

Beta blockade: The overall risk with your underlying conditions is minimal. The type and length of surgery are more important factors. You may need 'cardiac clearance' (a review of your cardiac health) by a cardiologist depending on the precise situation. Schedule an interview with an anesthesiologist and discuss your concerns. ...Read more

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My doctor told me yesterday that I have svt. Is this dangerous? My last stress test was 3 years ago. Do I need a  cardiologist  appt.?

My doctor told me yesterday that I have svt. Is this dangerous? My last stress test was 3 years ago. Do I need a  cardiologist  appt.?

Fast heart rate: Supreventricular tachycardia (svt) is a fast heart rate that starts in the pace-maker of the heart. It can have a number of causes and can be dangerous if it progresses to ventricular fibrillation. You should go back to your doc and discuss this further and see if they want you to see a cardiologist. This will depend on your history and current symptoms. ...Read more

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Is SVT and are pvcs dangerous to fetus?

Is SVT and are pvcs dangerous to fetus?

Not usually: First the pt should be evaluated. Labs holter and an echo should be done. Lytes thyroid and other level s should be drawn. If no obvious causes and no stimulants to blame then no other work up or treatment needed. As for the fetus, as long as no hemodynamic effects on mom then no issues with baby. ...Read more

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I have brief spikes in my blood pressure from SVT. Is this spike in blood pressure dangerous?

I have brief spikes in my blood pressure from SVT. Is this spike in blood pressure dangerous?

No: No, these are presumably very short and if you are not having sustained periods of elevation, then likely not dangerous. ...Read more

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Hey: is it dangerous to fly far with SVT heart condition? Also- is it permanent situation? Thank u :)

Hey: is it dangerous to fly far with SVT heart condition? Also- is it permanent situation? Thank u :)

Typically not danger: Although it depends on the cause of your svt, as long as it is stable and well controlled, one would not think that air travel would be typically be a problem.
Most types of svt a person is born with, the occurrence of an svt may vary as one ages.
Essentially you need two things for this rhythm: 1. The underlying structure, 2. A stimulus to start the svt. Altering either can abort the svt. ...Read more

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Is svt episode that happens once a month and lasts 20-30 seconds 160bpm dangerous in a 17 year old patient with normal ekg and echo?

Is svt episode that happens once a month and lasts 20-30 seconds 160bpm dangerous in a 17 year old patient with normal ekg and echo?

Not: That would be a nuisance but not dangerous. There are medications and procedures which could help to control it. It would be helpful to see the EKG during the episode. You should see a cardiologist. ...Read more

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Is an EP study dangerous? My cardiologist wants to do one but I'm 26 and I'm afraid it'll kill me. What if they burn the wrong spot? I don't have SVT.

Is an EP study dangerous? My cardiologist wants to do one but I'm 26 and I'm afraid it'll kill me. What if they burn the wrong spot? I don't have SVT.

EP study: There is no 'burning' in an EP test. The test is not without some risks but generally quite safe. The 'burning' is part of ablation treatment which may or may not be suggested after the test. Discuss details with your Doc. ...Read more

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How dangerous is Fleccanide? My doctor mentioned possibly putting me on it. Is it better for my SVT than Nadolol or propranolol? I have WPW syndrome.

How dangerous is Fleccanide? My doctor mentioned possibly putting me on it. Is it better for my SVT than Nadolol or propranolol? I have WPW syndrome.

High: Fleccanide is most dangerous out of antiarrythmic drugs. But it can be used as last resort under close supervision. It may cause VT or V fib. It is not recommend routinely. ...Read more

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What is svt?

What is svt?

A rapid heartrate: Svt stands for supravntricular tachycardia which is a disturbance of the heart rhythm usually between 180-220 beats per minute which may cause lightheadedness, shortness of breath or chest pain. ...Read more

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Is SVT inherited?

Is SVT inherited?

Possibly: This is a large, diverse topic. There is a familial basis for some patients with Wolff-Parkinson-White syndrome. Hypertrophic cardiomyopathy is typically a genetic disease and some cohorts have increased prevalence of svt and wpw. There are mitochondrial mutations that appear to have increased prevalence of svt. ...Read more

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Can you die from svt?

Uncommon but yes: Yes if the heart rate is too fast & not treated for some time associated with drop in blood pressure.This can happen in a condition called wolf parkinson white syndrome. ...Read more

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What to do about svt?

SVT: You need to have a physician diagnose and treat svt. We have a variety of treatment options. The patient can help prevent svt by not smoking and moderating or minimizing the intake of caffeine or other stimulants and alcohol. ...Read more

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What are symptoms of svt?

Can vary: People with SVT usually feel a sensation of a racing heartbeat, or palpitations. Other symptoms can include chest discomfort, shortness of breath, dizziness, fatigue, or nausea. Rarely patients experience passing out, also called syncope. Generally these symptoms are sudden in their onset and termination. Interestingly, patients often complain of a fullness in the neck or an urge to urinate. ...Read more

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Can a person die from svt?

Very rare: This rhythm disturbance can be treated emergently by electrical cardioversion or drug therapy. It can be associated with WPW syndrome which can result in extremely fast heart rate and vascular collapse. Fortunately this condition can be cured by ablation therapy. In the majority of patients it doesn't cause severe symptoms and can be managed with medical therapy. ...Read more

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What are the symptoms of svt?

What are the symptoms of svt?

Supravent tachy: Pounding heart, shortness of breath, chest pain,
increased respirations, light-headedness, loss of consciousness may all occur. ...Read more

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How does your diet affect svt?

How does your diet affect svt?

A few possibilities: Most SVT ("supraventricular tachycardia") episodes are unrelated to diet. There's an inherent abnormality in the way electricity is initiated or conducted in the heart. Occasionally, it can be set off by caffeine or alcohol, though this is much less common than you might think. Rarely, acid reflux can be a trigger for svt; in these patients, any food causing heartburn may be a culprit. ...Read more

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Is it possible for you to die from SVT?

SVT: If untreated people could die from prolonged or persistent svt. Because it causes hypotension, loss of consciousness, heart attack/stroke and death. ...Read more

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Do I need to restrict my workouts with svt?

Depends: Patients who are asymptomatic and who have brief episodes of tachycardia can participate in all sports. No restriction is recommended for those who have more prolonged episodes yet well controlled with medication. Athletes who experience syncope have to be resticted from activities completely until adequate therapy. Ask your doctor what kind of exercise is appropriate for your condition. ...Read more

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What herb or pill can you take to stop svt?

What herb or pill can you take to stop svt?

Not herbs: Supraventricular tachycardia and other cardiac arrhythmias need to be evaluated and followed by a physician -- ultimately, probably a cardiologist. Certain medications and/or substances you're taking can cause or exacerbate this too. Though magnesium has helped some people with svt, I wouldn't rely solely on this or any herb. Your primary care doctor is a place to begin, and go from there. ...Read more

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What can I do to tell if my baby boy has svt?

What can I do to tell if my baby boy has svt?

Check the heart rate: The heart rate of a baby with SVT is much faster than a normal heart rate, often as high as 300 beats per minute. This rate is faster than you can count. Rather than trying to count the heart rate, I recommend feeling your baby's heart a few times a day to know what is typical. During SVT it is so much faster that most parents can easily tell the difference. ...Read more

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What is the best thing to take if you have svt?

SVT: If you have svt it can be converted by an IV injection. If its recurrent there are various choices for preventive meds available to your doctor. If the medications aren't adequate there is an ablation procedure that may be successful. There are several good medicines but the choice is by your doc with the knowledge of your individual factors. ...Read more

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Could my sons untreated reflux be triggering svts?

Could my sons untreated reflux be triggering svts?

Svt trigger: Unlikely but if it is leading to stress it might be contributing, I don't think we can say for sure no... ...Read more

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Been having SVT episodes on and off for 3 days now, what should I do?

Need evaluation: You should see a cardiologist or an electrophysiologist to have this evaluated further. ...Read more

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What is the best thing to take if I have SVT do I have to take anything?

SVT: Paroxysmal svt which occurs rarely probably doesn't need drug to try and prevent. Svt that occurs more than once a month is worth treating and for some folks even if monthly or less. Treating infrequent arrhythmias takes a long time to know if the treatment is actually working, statistically if month svt can take 6 months to be sure meds working. ...Read more

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Is it possible for SVT episode to last for a few seconds and then subside?

Yes: Supraventricular tachycardia (SVT) can be prolonged and require medical or electrical cardioversion back to regular rhythm and subsequent ablation by an electrophysiologist. It can also just occur for several beats at a time and be self-limited. Please discuss your particular symptoms and sutuation with your doctor to determine your best treatment plan. Good luck!! ...Read more

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Been healthy, but started having svt's. How do you suddenly start having svt's?

Been healthy, but started having svt's. How do you suddenly start having svt's?

Any age: A subtle shift, like slightly higher blood pressure, less potassium in your diet, or moving to altitude can precipitate svt attacks. You should get checked by your doctor. ...Read more