A member asked:

I have ist. avg resting hr: ~100bpm. lately 40-60bpm. cardiologist not concerned since im 18. im symptomatic. that range considered low? no meds.

A doctor has provided 1 answer

? IST: I'm assuming IST stands for "idiopathic sinus tachycaridia? your current HR of 40-60 indicates that you're cured. Congratulations!

Answered 4/4/2015

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Thank

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