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Dr. Andrew Rynne

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What causes increased heart rate while having Hashimoto's disease?

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Dr. Rishu Saxena

Cardiologist

Practicing since :2012

Answered : 696 Questions

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Posted on Fri, 11 May 2018 in Hypertension and Heart Disease
Question: when I first wake up in the morning I have sweaty feet fast heart rate 140 Plus it lasts about 20-30 minutes and then I'm fine the rest of the day I've had blood work I've had everything only thing I have is Hashimoto's.
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Answered by Dr. Rishu Saxena 32 minutes later
Brief Answer:
Are you taking thyroxine?

Detailed Answer:
Hi,
Thanks for query.
Hashimoto's thyroiditis is an autoimmune disease in which the immune system attacks the thyroid. This leads to hypothyroidism.Most likely your endocrinologist has started you on thyroid hormone supplementation.
Severe tachycardia can be caused due to increased level of hormone in blood..
Please tell me if you are taking any throid hormone supplementation?
As external thyroid hormone can also cause tachycardia specially transient.

Please revert back asap so that i can answer accordingly.
Waiting.
Above answer was peer-reviewed by : Dr. Prasad
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Follow up: Dr. Rishu Saxena 6 minutes later
yes im on 30mg of NP tyriod. ive been on it for 5 days but i was also doing this before taken the meds. could this have something to do with my adernal glands
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Answered by Dr. Rishu Saxena 20 hours later
Brief Answer:
follow up.

Detailed Answer:
Hey the feeling your are having is called palpitation as you are having them only at aa particular time i don't think they are serious or harmful, and it has been only five days since you are having them .In young females most of the times they're caused by stress and anxiety, or because you've had too much caffeine, nicotine, or alcohol.

As per the query regarding adrenals there can be a number of causes for palpitations.
An easy way to check for involvement of adrenals is serum cortisol level.Usually adrenal hormones are at peak in morning so you can go for a blood sample to make things clear.

However for me most likely its due to external thyroid supplementation.
Above answer was peer-reviewed by : Dr. Vaishalee Punj
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doctor1 MD

I had a baby 18 months ago and previous to that suffered from Hyperthyroid due to a virus. I was suffering from significant tachycardia and excessive sweating at that time. RAI Uptake was done etc, Virus resolved rendering my thyroid now Hypoactive for the last 4 years. I am currently taking Synthroid 150mcg. I have been a runner my entire life however first trimester complications caused that to cease. I am not just getting back into it and training for a half marathon. I have noted that my heart rate even after 5 minutes of running is around 186 bpm. I went to my GP to have my TSH and T4 checked to be sure I wasn t over medicated. Everything was normal. His response to this high BPM was to add a Beta-blocker. I have leary of taking it because I have read it will greatly affect my performance while running. I also get a quivering type feeling here and there through out the day in my heart. I get extremely flush almost purple in my face when running. I m wondering if there could something significantly more wrong than the thyroid affect as my GP has mentioned. I asked for a stress test and he said I didn t need one. I am 34 years old, slightly overweight still from post-partum. no other medical conditions, no history of any previous medical conditions other than Gestational Induced Hypertension and ecclampsia which clearly has resolved and Gestational Diabetes which also resolved.

doctor1 MD

attached are the results from my overnight pulse oximeter . is there anything I should be worried about?

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