A member asked:

I just experienced a racing heart beat all of sudden , its still happening now. my pulse is 146 , dizzy !. i take atenolol , why is this happening ?

2 doctors weighed in across 2 answers
Dr. Calvin Weisberger answered

Specializes in

You likely have a paroxysmal tachycardia probably supraventricular. You need an ECG while it is happening to diagnose it and then your doctors can figure out why and whether you need an increase in your beta blocker or addition of other medication, or other treatment.

Answered Jun 10, 2014

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Dr. Victor Bonuel answered

Specializes in Internal Medicine

An urgent care or er for an ekg and work up. Your symptoms maybe due to intrinsic heart or coronary heart disease, thyroid problems, side effects of meds and caffeine etc.Follow up with ur pcp or cardiologist. God bless u! http://www.Medicinenet.Com/script/main/mobileart.Asp?Articlekey=437.

Answered Jan 30, 2014

4.5k views

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