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Old 02-23-2010, 04:36 PM   #1
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uma_anne HB User
Racing heart with high blood sugar

Iíve been doing well controlling my Type II for a fairly long time now, with a strict low carb diet, exercise and my nightly dose of metformin.

However they other day I made the mistake of deviating from my diet and splurging on a brownie for dessert while out to dinner with some friends. Very reckless in retrospect, I know.

It seemed like I started feeling the effects of that instantaneously. I became lethargic, collapsed onto the couch and into a deep sleep (almost felt like I was drugged) when I got home. When I woke up around 2-3 hours later my heart was pounding like it never has before.

I honestly felt like I was having a heart attack or something. I checked my blood sugar and it was 160. I canít remember exactly how long after my indiscretion this was, but it was definitely over 2 hours so I suspect I could have been even higher earlier in the evening.

By the morning my fasting sugar was 110 which is a good 15 points over what it usually is when Iím following my routine diet. But the racing heart symptoms had passed.

So Iím wondering - is a racing heart a normal symptom of high blood sugars? And if so, what causes this exactly??

 
Old 02-23-2010, 04:42 PM   #2
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itotito HB User
Re: Racing heart with high blood sugar

I have never heard of that.

But I wonder if the high BS is not the result of a racing heart rather than the other way around.

Now and then I eat something crazy and can go as high as a 160, but never had my heart rate go so high because of it.

However I have been in a situation where I got my heart rate to 175 and my BS went through the roof, without taking any carbs.

 
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Old 02-23-2010, 05:22 PM   #3
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Re: Racing heart with high blood sugar

It's interesting you mention that because I did have a very stressful day - a big presentation at work and my nerves were shot. But I WAS checking my sugar though out the day and it remained in the 90s up until the time I went out to dinner. I had eaten very little up until the evening, again, b/c I usually can't eat when I'm stressed.

 
Old 02-23-2010, 05:26 PM   #4
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itotito HB User
Re: Racing heart with high blood sugar

Quote:
Originally Posted by uma_anne View Post
It's interesting you mention that because I did have a very stressful day - a big presentation at work and my nerves were shot. But I WAS checking my sugar though out the day and it remained in the 90s up until the time I went out to dinner. I had eaten very little up until the evening, again, b/c I usually can't eat when I'm stressed.
I know a hypo can cause a racing heart.

Could it be you went high, then crashed which caused tachycardia (high HR)

PS: you're allowed to a brownie now and then

 
Old 02-25-2010, 11:09 AM   #5
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Re: Racing heart with high blood sugar

Thanks - i don't think crashing caused the racing heart b/c I was 160 when I checked (and it was still pounding).

And thanks for the reassurance regarding have a treat every so often. Although honestly, when I experience the extreme sluggishness and mental fatigue that I usually get with high blood sugars, it's reinforcement to stay away from the sugary stuff. I perform optimally both mentally and physically when my sugars are in check!

 
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