Supraventricular arrhythmia causes irregular, too fast, or too slow heartbeats due to problems with the cells that initiate electrical signals. As the name indicates, these begin in the atria located above the ventricles. Various types include atria flutter, atrial fibrillation, sinus tachycardia, and atrioventricular reentrant tachycardia. These may present as palpitations, chest pain or pressure, dizziness, shortness of breath, etc. Its causes include thyroid disorders, smoking, alcoholism, pregnancy, lung diseases, heart diseases, too much caffeine, etc.
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Why do I have irregular heart rhythms?
Query: Hello doctor, I am 68 years old with a weight of 167 pounds and a height of 5 feet 9 inches. I had a bypass surgery seven years ago. I used to walk 45 minutes daily. I feel completely fit and fine. A week ago, I felt that my heart rhythm was irregular. After going through a Holter test, I found that... Read Full »
Answer: Hello, Welcome to icliniq.com. I have gone through the first page of the Holter report (attachment removed to protect patient identity). You seem to have supraventricular tachycardia episodes likely atrial fibrillation or flutter. You have sinus pauses and sinus arrest suggesting sinus node dysfun... Read Full »
After a viral infection, I have tiredness, faint feeling, and weakness. Kindly advise.
Query: Hi doctor, Three weeks ago, I was admitted to hospital with a viral infection and stayed in the hospital for two nights. During viral infection, I woke up early in the morning shaking uncontrollably and my heart rate was 152, so the ambulance took me to the hospital. I was told that I have a viral i... Read Full »
Answer: Hello, Welcome to icliniq.com. Two points are very important here. They are abnormal heart rhythm and tiredness. Which type of abnormal heart rhythm are they trying to treat with Propranolol? It seems like you have supraventricular tachycardia and the type depends upon the EKG and EP study. Did you... Read Full »
I was diagnosed with SVT in my childhood. Can I have cardiac arrest if I work out or do cardio?
Query: Hello doctor, I was diagnosed with SVT in my childhood. I stopped taking medications when I turned 18. I have started working out because I have gained a bit of weight over the years. I will be 30 this year. How high can my heart rate get when working out and doing cardio? I do not want to experienc... Read Full »
Answer: Hello, Welcome to icliniq.com. Considering your age, you can reach a maximum heart rate of 190 beats per minute. But, as you are taking the tablet Atenolol, I am afraid that you will not be able to reach this target. Besides, Atenolol is known to decrease your physical performance. I suggest avoid... Read Full »
Is it normal to have mild supraventricular tachycardia in a healthy individual?
Query: Hello doctor, I am a 74 year old male in excellent health, and I am not on any medications. Recently, I had a strange chest sensation. It felt like my heart stopped or skipped, and I felt lightheaded like I might pass out. I had an EKG, echocardiogram, and a Holter test done. The EKG results were no... Read Full »
Answer: Hello, Welcome to icliniq.com. I understand you are a little worried about your heart and have been on the Holter monitor for a while. I appreciate that you have uploaded the reports in full for my consideration (attachment removed to protect patient identity). From the fact that you are not o... Read Full »
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