Paroxysmal Supraventricular Tachycardia

Paroxysmal supraventricular tachycardia (PSVT) is a board term used to describe many forms of heart arrhythmias (irregular heart rhythm), where the heart beats too fast, which originates above the ventricles of the heart. The types are atrial tachycardia and atrioventricular nodal reentry tachycardia. The symptoms include palpitations, dyspnea, sweating, fluttering in your chest, chest tightness, rapid pulse, and anxiety.

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Please help me to know the reason for having cardiac episodes of accelerated heart beat.

Query: Hi doctor, I am a 55-year-old woman without any known medical conditions. Recently, I started experiencing cardiac episodes with faster heartbeats. I consulted a cardiologist and did some blood tests. I have attached it for your thorough analysis and review. After doing a 12 channel ECG and echoc...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hi, Welcome to I have gone through your reports (attachment removed to protect patient identity). You are having supraventricular tachycardia and atrial fibrillation. As your heart rate remains high, it is difficult to differentiate between these two. Their management remains the same...  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 »

Dr. Muhammad Majid Hanif

Answer: Hello, Welcome to 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 »

I got chest pain and jaw pain suddenly. Do I need to be concerned?

Query: Hi doctor, I am a 41 year old, and since the past five years, I have had some heart issues. I was hospitalized for SVT, five years back. The medications had it under control for a while, but I got older, a little bit heavier, and had some life changes, so things changed. It was also recommended that...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to Firstly, I think you should upload your reports like the echocardiogram to know the severity of aortic regurgitation, and electrocardiography to know what kind of SVT (supraventricular tachycardia) it was. It will give a better idea if it is PSVT (paroxysmal supr...  Read Full »

Can you interpret these notes on the ECG for me?

Query: Hello doctor, I am a 24-year-old female. I have a resting heart rate in the 70's when sitting, but it jumps to 120 to 130 beats per minute when I stand. Doing dishes gets me to 160's. I tend to black out when I stand up for a few seconds. I have fainted five or more times. My doctor performed an ele...  Read Full »

Dr. Isaac Gana

Answer: Hello, Welcome to Your ECG (electrocardiogram) shows that your heart has enlarged and has signs of SVT (supraventricular tachycardia). SVT is caused by a defect in transmitting electrical activity from the top of your heart to the bottom. When your heart beats fast, it does not have en...  Read Full »

Should I be concerned about my bizarre episode of palpitations?

Query: Hi doctor,Earlier at work, I experienced the most bizarre episode of palpitations I can remember. I do find them to occur fairly regularly once in every couple of days. Today, however, rather than just the one small bubbling and skipping feeling, it happened in sequences shortly one after the other ...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to There are two possibilities like heart issues and even anxiety related. It is likely to be a cardiac arrhythmia like premature complexes, PSVT (paroxysmal supraventricular tachycardia) or atrial fibrillation. We first need to find out the cause, and so you should ge...  Read Full »

What is the cause for having an increased heart rate during pregnancy?

Query: Hi doctor, My wife is 34 weeks pregnant. She has known tachycardia and had an unsuccessful ablation at 11 years old. Around six weeks ago, using pulse oximeter I have at home, I noticed her resting heart rate had dramatically increased. It went from an average of around 100 to around 130 and 140, so...  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hi, Welcome to Tachycardia, which she had, was mostly probably PSVT (paroxysmal supraventricular tachycardia) or other SVT (supraventricular tachycardia), which are usually episodic in nature. So, the reading which you had of 123 was probably not due to her old heart problem PSVT, but...  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 »

Dr. Ilir Sharka

Answer: Hello, Welcome to 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 »

What could be the reason for strong palpitations at the age of 26?

Query: Hello doctor, I am a 26-year-old female. I am 52 kg weight with 5.4 feet height. I just want to ask what could be the possible diagnosis for my heart because I experience strong palpitations. My 2D echo says I am normal and the ECG results are the same. What could be the other findings regarding my...  Read Full »

Dr. Muhammad Zohaib Siddiq

Answer: Hello, Welcome back to I have seen the attachment (attachment removed to protect patient identity). Such episodic palpitations may be due to paroxysmal supraventricular tachycardia (PSVT), which occur and spontaneously resolve. They are not present every time so they may not be capture...  Read Full »

I am suffering from sudden severe headaches, chest pain, and dizziness. Why?

Query: Hi doctor, I am an 18 year old female. I am suffering from sudden, severe headaches, chest pain, dizziness, fainting, difficulty in balance and blurring of vision often. Why?  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hi, Welcome to There are two possibilities. One is anxiety episodes, and the other one is cardiac arrhythmia like PSVT (paroxysmal supraventricular tachycardia) or atrial fibrillation, in which heart rate suddenly goes up and also suddenly decreases. Do you have any palpitations or...  Read Full »

Why is the heart having rapid, uncontrollable pounding?

Query: Hi doctor, I am 24 years old, and my heart is having episodes of rapid, uncontrollable pounding which is giving me shortness of breath and faintness. This has only started recently with my first episode giving me tunnel vision. What should I do?  Read Full »

Dr. Sagar Ramesh Makode

Answer: Hello, Welcome to This can be a cardiac arrhythmia like PSVT (paroxysmal supraventricular tachycardia) or atrial fibrillation, in which heart rate suddenly goes up and also suddenly decreases. Blood pressure falls during these episodes, and one has dizziness, fainting, blackouts, some...  Read Full »

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