Light headed with Palpitations

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Submitted by Dr T on June 27, 2011 – 1:24pm

Question: 
I have a history palpitations and fast heart rate. I have had Echo, 6 EKGS w cardiac monitoring, Holtor and event monitors, blood work ( metabolic panels, CBC, thyroid, ect)and chest x-ray. The only real diagnosis was a heart rate that is faster than normal at times, possibly an arrymia of some type but none were found during monitoring. I can deal with the palps and occasional racing heart rate. However, the last several months, I get periods of light headiness. I’m not dizzy, just light headed.
This can last for a few minutes or be constant throughout the day ( brain fog). I’m probably on the anxious side, however, this continues. It also worsens if I stand up or rise quickly. Given the testing that has already been completed, I’m not sure what else I can do. My diet is healthy and I stay hydrated throughout the day. I’m a otherwise healthy and fit 38 y/o male. My blood pressure does run high normal. I take zantac daily for GERD. This drives my crazy…any suggestions.

Although all your heart tests came back as normal, has anybody checked your blood pressure & pulse after standing up quickly?
Although rare, has POTS been considered in your case? While your symtpms don’t sound severe enough, you can read more here:
https://www.cardiachealth.org/ca-blog/i-am-worried-about-v-tach-ventric
https://www.cardiachealth.org/heart-information/palpitations/pots

Also, has GERD been proven in your case? Zantac side effects include :

  • Fast heart rate (tachycardia)
  • Slow heart rate (bradycardia)
  • Abnormal heart rhythms (arrhythmias)

If you still need to take it, maybe you should have an UGI endoscopy to make sure your esophagus is still OK.
Hope this helps,
Dr T
https://www.cardiachealth.org/

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