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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Rapid Heart Beats And Dizziness After Exercise?

hi i am a 21 year old male. i am in good shape and used to play football 3 times a week. after a short illness 'acute tonsilitis' in Febuary i have been dizzy after exercise and very rapid heart rate. i have had an Echocardiogram and stress test and all was normal. But i still feel awful after a small run up stairs or even just a fast walk. and i am scared of sudden death everytime i run or jog. please could you help? thankyou for your time.
Wed, 23 May 2018
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Cardiologist 's  Response
Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.


I passed carefully through your question and would explain that considering your performed cardiac tests, I would exclude any possible cardiac disorders. Coming to this point, your symptoms could be related to different possible causes: chronic anemia, a lung disorder, thyroid gland dysfunction, etc.

For this reason, I would recommend performing further tests to investigate for the possible underlying causes:
-A chest X-ray study and pulmonary function tests
- Complete blood count, PCR, ESR for inflammation
- Thyroid hormone levels for thyroid gland dysfunction
- Blood electrolytes for any possible imbalance.

You should discuss with your doctor on the above tests.
Hope you will find this answer helpful!

Kind regards,
Dr. Iliri
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What Causes Rapid Heart Beats And Dizziness After Exercise?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. I passed carefully through your question and would explain that considering your performed cardiac tests, I would exclude any possible cardiac disorders. Coming to this point, your symptoms could be related to different possible causes: chronic anemia, a lung disorder, thyroid gland dysfunction, etc. For this reason, I would recommend performing further tests to investigate for the possible underlying causes: -A chest X-ray study and pulmonary function tests - Complete blood count, PCR, ESR for inflammation - Thyroid hormone levels for thyroid gland dysfunction - Blood electrolytes for any possible imbalance. You should discuss with your doctor on the above tests. Hope you will find this answer helpful! Kind regards, Dr. Iliri