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Sinus Tachycardia while Excercising?

Hello everyone!

I am an 18 year old athletic male with a structurally healthy heart and a resting
heart rate somewhere in the low 60's. I suffer from hyper-awareness anxiety and
experience regular (have learned to control it more now) hyperventilation episodes. More recently
I have become aware of my heartbeat and notice that paying attention to it gives me
episodes of Sinus Tachycardia. This does not bother me too much because it does
not go absolutely out of control (but still enough to annoy me), however it does when I excercise.
Particularly, weight lifting, I feel like my heart is racing SO fast when weight lifting, if I'd hazard
a guess I'd say somewhere around 190 bpm (possibly more).

I understand Sinus Tachycardia is a benign condition, but does it become more dangerous
if I am working out, because my heart rate is already high in the first place, and then I experience hyperventilation on top of it
AND then sinus tach. It feels like these three together are the recipe for an abnormally high heart rate. It's so embarrassing and frustrating, I can't do a proper workout anymore and they say exercise is the cure for anxiety but it seems to be when mine is most prominent! This also happens when I am running but to a lesser extent.
3 Responses
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1807132 tn?1318743597
Do you know what your heart is doing when you feel like your are hyperventilating?  I had an svt my whole life called avnrt.  My heart would race quite manic at rates will into the 200s but as a small child I rationalized it as hyperventilation, that my heart was beating fast because I was hyperventilating not that I was feeling severely short of breath because my heart was beating too fast.  One way to tell if it is in fact an svt and not hyperventilation is that and svt will start and stop in what feels like one beat.  I don't think hyperventilation works that way, and sinus tachycardia rises and slows more gradually so try and see if you can gauge what your heart rate is at when you are hyperventilating and see if you notice it start and stop abruptly.  if it does then discuss this with your cardiologist to see if you do indeed have a correctable svt as opposed to just sinus tachycardia.  
Helpful - 0
Avatar universal
Yes, it is all anxiety induced tachycardia. I know because when I don't worry it isn't anywhere near that.
Helpful - 0
1423357 tn?1511085442
Have you confirmed this sinus tachycardia rather than something else?
Helpful - 0
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1807132 tn?1318743597
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1423357 tn?1511085442
Central, MA
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