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Dr. Andrew Rynne
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Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Irregular Heart Rate After Undergoing Thyroidectomy?

had a total thyroidectomy 1 1/2 years ago, 2 RAI. Parathyroids were all damaged. On 1mcg calcitrol, 1500mg calcium, 500mg magnesium per day. Had a very irregular HB when on 150mcg levo 5 days and 100mcg 3 days. Changed to 150mcg 4 days, and 100mcg 3 days, and TSH is still suppressed just below bottom end of ref. range. Heartbeat is still irregular, but much better. I don t feel agitated anymore but, I do feel more sluggish than normal. My main concern is the irregular HB. What could be the root cause ? I have all lab results if you need any other numbers. Thank you
posted on Thu, 31 Jul 2014
Twitter Sun, 26 Aug 2018 Answered on
Twitter Wed, 29 Aug 2018 Last reviewed on
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General Surgeon,  's  Response
Hi,

Hyperthyroidism can cause arrhythmia including atrial fibrillation.Consult a cardiologist and get serial EKG recording to rule out any cardiac rhythm anomalies. You might also require an echo test to rule out structural defect.

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What Causes Irregular Heart Rate After Undergoing Thyroidectomy?

Hi, Hyperthyroidism can cause arrhythmia including atrial fibrillation.Consult a cardiologist and get serial EKG recording to rule out any cardiac rhythm anomalies. You might also require an echo test to rule out structural defect. Hope I have answered your query. Let me know if I can assist you further.