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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Tachycardia Cause Dizziness ?

Hi, I'm sixteen, 5'1 and I'm currently on a weight loss program. I'm at 135 pounds but I am working to my goal of 115. Anyway, for about a year and a half I have experienced tachycardia. It has landed me in the hospital and the doctor several times. It normally at resting is 100 or higher, and when I'm walking it's over 120. It makes me dizzy, faint occasionally, tired, and plain sick. What could be the general causes?
Mon, 19 Dec 2016
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Cardiologist 's  Response
low hb is one of the most common causes tachycardia and dizziness.
other causes hyperthyroidism, anxiety, low oxygen level in blood.
do u have any sleep related problems like snoring or excessive day time sleepiness which could cause sympathetic hyperactivity and high hr.
also get ur sugar level tested. if on any medications get those reviewed for side effects.
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Can Tachycardia Cause Dizziness ?

low hb is one of the most common causes tachycardia and dizziness. other causes hyperthyroidism, anxiety, low oxygen level in blood. do u have any sleep related problems like snoring or excessive day time sleepiness which could cause sympathetic hyperactivity and high hr. also get ur sugar level tested. if on any medications get those reviewed for side effects.