Heart issues with Hyperthyroidism

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So I've been having some weird issues and I was wondering if anyone had any insight on them. 30 year old male.

About a year ago after fainting I went to the hospital and everything came back normal. I remembered that I had a history of hyperthyroidism in the family so they tested that and the blood test came back normal TSH, high t4 and high t3. They suggested beginning stage hyperthyroidism and that it wasn't the cause of my fainting and just told me to take it easy and then released me.

Later I started to feel like I was going to faint all the time after a bout of severe stomach flu type issues. But, then that went away after a few months. It came back again and after another blood test I once again had normal TSH, but high t4 and t3. They said it wasn't worth treating yet though due to TSH being normal.

Once again the feeling like I was going to faint all the time went away, but I started to have severe chest and stomach pain and I started to feel short of breath. I had an ekg done which turned out normal and they diagnosed me with GERD and I started taking prilosec. My heart issues got worse though with shortness of breath, and the feeling like someone was grabbing my heart and squeezing it becoming more frequent.

Got my blood tested again along with an ekg. Now my TSH was going toward the high end of normal with T4 and T3 also above normal. Endocrinologist ordered more blood tests and my Luteinizing hormone was low as was follicole stimulating hormone, but my testosterone was also extremely low.  He was very confused as he had never seen such blood results before. Also thyroid scan showed a very large uptake of the iodine.

Now I'm going to take the radioactive iodine, but the endocrinologist isn't so sure it's the thyroid and thinks something is wrong with the pituitary. I don't want to delay the iodine though because the heart issues are freaking me out. I keep getting the heart arrhythmia sign on the blood test and many times while just walking or laying down my heart has a weird beat where I feel like my whole body shuts down. Like someone is grabbing my heart and squeezing and I can't move or think.

Some other quick info. I have had increased thirst and urinary frequency issues for years now. Diabetes test came back negative. For years I have had severe itching issues. Also For about a year pretty much non-stop diarrhea. Eyes tear up real easy for no reason. Were told these were all also symptoms of hyperthyroidism. First time I have had heart issues though.

Anyone have any idea what could be going on and what to ask my doctor/endo about? I keep hearing fast heart beat with hyperthyroidism, but not the kind of heart issues I am feeling are they related? My blood pressure is like 100/60 all the time with a very low dose of Attenalol 25 mg per day. Any help/insights would be appreciated thanks.

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  • Posted

    Have you seen a cardiologist for a thorough workup? They can also do ultrasounds. Hopefully a good cardio will be able to pinpoint what's causing this.  I hope so. I understand how upsetting it is. 

    • Posted

      They didn't recommend me see a cardiologist when I went into the emergency room  and my doctor wont send me to one, so if I see one it will be out of pocket.

  • Posted

    That's awful, Brennan. So what do they say is causing your heart issues? If they can't diagnose, they really should let you see someone who can help, without you having to pay for it if you have insurance.  Why won't your doctor send you? I'd keep complaining until I got a referral. It's not right to dismiss a patient with valid complaints. 

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