Dizzyness and low pulse rate during nighttime, is this Bradycardia?

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I am having periodic sleepless nights due to pronounced dizzyness during my sleep, or when I try to sleep at night. It's very unnerving as I feel like I am going to pass out when I put my head down to rest. Blood pressure for this last episode seems normal (115/68) but pulse sometimes goes pretty low (43 last night for a spell as measured on my FitBit). This has happened two nights this past week. Otherwise, I seem to sleep reasonably well. I am wondering if this relates to drug side effects. 

I recently had two stents put in my pLAD (April 14, 2018) and it's made a world of difference. No more angina and my energy is back. But these sleeping problems are causing me concern. I am on daily aspirin, Plavix (75mg) and Crestor (10mg). I have lost 13 lbs in the last month as I have moved to a mostly plant-based diet and have cut out all sweets, desserts, fast food, and red meat. And all meats save for the occasional chicken and fish piece. And I don't use salt very much at all.

So, with all these medications, weight loss, diet changes, and artery interventions, perhaps my dizzyness might be normal. Or is it? Should I be concerned? Perhaps there is heart damage that I am so far unaware of? If anybody can relate, that would be appreciated. Thanks

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  • Posted


    The drugs may need adjusting, your blood pressure is a little low and pulse is too.

    i had a pulse rate of 43 and I was bradycardia. With a slight meds adjustment my heart rate increased to late 50's early 60's at rest and I felt so much better.

    Worth discussing this with your GP or cardiac consultant.

    Best of British to you. 

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  • Posted

    Your pulse might well be low, but I would check it on a more reliable instrument than a Fitbit first, here is a headline for you about Fitbit, "Fitbit owners claim tracker is as much as 80 bpm below other monitors"

    Does your blood pressure monitor not give pulse?

    Another thing, do you have palpitations?, I find pulse devices that you wear for instance on your finger, dont detect ectopic beats, and so give a lower pulse than an ECG at the same time which does detect ectopic beats.


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  • Posted

    Could be your medication. I had a similar thing when I was on too much beta blockers and blood pressure tablets. My pulse was often in the 40s which made me feel dizzy and lightheaded. I used to have to get up and walk about or jog on the spot to raise my pulse. 
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  • Posted

    You are doubling up on your blood tinning meds, aspirin and Plavix, are both blood thinners, needs a Dr to have another look at which med you should be on. 

    If you look up Plavix, there are cautions about taking the two together, but DO NOT STOP until you talk to your Dr.

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