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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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Could Palpitations Of The Heart Be Due To Over Dosage Of Thyroid Medication?

I am having thyroid conditions(hypothyroidism) and have been on thyroid medication for past 2 years. My TSH value went up to 88 so i was increased dosage to 150mg of thyronorm 4 months back. A month back when i checked my TSH it was 0.36. But the doctor advised me to continue taking 150 mg dosage. I am also taking Telista-H for controlling my BP. But now i find that i am having palpitations with my resting pulse rate is more than 100. This does not go down even when i am relaxing. I get up in the night with rapid heart beat and it goes on for 2 hrs. Though i dont have chest pain. but the palpitations is making me worry a lot. Is this due to thyroid medication overdose?                                                                  
Mon, 18 Mar 2019
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Cardiologist 's  Response
Hello,

I passed carefully through your question and would explain that the palpitations could be related to a thyroid hormone imbalance. For this reason, the first thing to do is to check your thyroid hormone levels.

If it results normal, I recommend performing an ambulatory 24-48 hours ECG monitoring in order to investigate for possible cardiac arrhythmia.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Regards,
Dr. Ilir Sharka, Cardiologist
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Cardiologist Dr. Ilir Sharka's  Response
Hello,

Your symptoms could be related to a high dose of thyroid drugs. For this reason, I would recommend checking again thyroid hormone levels and performing a resting ECG.

An ambulatory 24-48 hours ECG monitoring would help investigate for possible cardiac arrhythmia.

Hope I have answered your query. Let me know if I can assist you further.

Take care

Regards,
Dr Ilir Sharka, Cardiologist
I find this answer helpful

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Could Palpitations Of The Heart Be Due To Over Dosage Of Thyroid Medication?

Hello, I passed carefully through your question and would explain that the palpitations could be related to a thyroid hormone imbalance. For this reason, the first thing to do is to check your thyroid hormone levels. If it results normal, I recommend performing an ambulatory 24-48 hours ECG monitoring in order to investigate for possible cardiac arrhythmia. Hope I have answered your query. Let me know if I can assist you further. Take care Regards, Dr. Ilir Sharka, Cardiologist