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What can cause a heart rate of 104 to 106 bpm?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hi,

My heart beats really fast, and it is around 104 to 106 beats per minute. Also, I feel breathless. I have got my echo and ECG done. The doctor said that it was due to anxiety and nothing else. But, I have read online that if a person has anxiety, these symptoms like breathlessness and fast heart rate are not there.

In my case, I have these symptoms all day long. Even my chest and my stomach vibrate a lot. I have also read online that if the heart vibrates fast when you are at rest, it is called sinus tachycardia. I am really unsure whether it is anxiety or something else. I am unable to do even a small amount of physical work without getting out of breath, so I thought of getting a second opinion. Also, I am taking anxiety medications like Fluoxetine Hydrochloride, Lipoic acid, and multivitamins. I also take thyroid medication. But there is no improvement in my condition. Please help.

Thank you.

Hi,

Welcome to icliniq.com.

I read your query and understand your concern.

I have gone through the details you provided. Your electrocardiogram (ECG) is fine. Various conditions can cause such symptoms as stress, anxiety, low hemoglobin, thyroid disease, increased weight, etc. As your ECG (electrocardiogram) and echocardiogram (echo) show no major problems, I will suggest a few blood tests like complete blood count (CBC), thyroid-stimulating hormone (TSH), blood sugar level (BSL), and serum creatinine. Inappropriate sinus tachycardia is not a common condition to diagnose. We require 24-hour Holter tests to see the nature of tachycardia and to diagnose inappropriate sinus tachycardia.

I hope this helps.

Please revert so I can assist you further.

Thank you.

Patient's Query

Hi doctor,

Thank you for your reply.

I do have thyroid issues, and I am taking medications as well, so it is normal.

Thank you.

Hi,

Welcome back to icliniq.com.

I understand your concern. What was your last thyroid profile report?

Please revert so I can assist you further.

Thank you.

Patient's Query

Hi doctor,

Thank you for your reply.

I only got my TSH test done, and it was 3, I guess, and I have never gotten T3 and T4 done. Also, I have monitored that mostly in the morning and afternoon, my heartbeat is around 106 or 105 bpm and then gets to 96 or 97 bpm, and then sometimes it is 84 bpm, then again 96 or 97 bpm. Is that IST? Or can it be due to anxiety, anemia, or thyroid?

Thank you.

Hi,

Welcome back to icliniq.com.

I understand your concern. Your thyroid-stimulating hormone (TSH) is within normal limits. To check anemia, we have to perform blood tests. To diagnose tachycardia, we have to do Holter's test. If these two tests are fine, then we can say that it may be due to anxiety.

I hope this helps.

Please revert so I can assist you further.

Thank you.

Medically reviewed byDr. K. Shobana

Published At July 4, 2022
Reviewed AtOctober 3, 2024

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