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I'm 26 and my ECG says I have sinus tachycardia and right axis deviation. My doctor put me on a beta-blocker, propranolol 40 mg daily. Should I be worried about how serious this could be?
I'm 26 and my ECG says I have sinus tachycardia and right axis deviation. My doctor put me on a beta-blocker, propranolol 40 mg daily. Should I be worried about how serious this could be?