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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Does Intake Of Caffeine Cause Heart Palpitations?

I am having heart palpatations which the dr. Says is normal and probably caused by caffeine..my stress test and echo were normal. I am still having waves of weakness, hyperventilation, and flushing. Also, my blood pressure is somewhat high for the first time ever
Mon, 12 Dec 2016
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General & Family Physician,  's  Response
Hi,
Thanks for posting in HCM.
I understand your concern.
Caffeine is a central nervous system stimulant belonging to the methylxanthine class. Its psychoactive effects are due to the blockade of adenosine receptors of brain.
It can increase the heart rate by increasing the levels of catecholamines. It can increase the systolic blood pressure by enhancing angiotensin II and epinephrine. Both these effects can result in heart palpitations and increase blood pressure.
It would better to avoid its intake as it is showing such effects.
Hope the information provided would be helpful.
All the best.
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Does Intake Of Caffeine Cause Heart Palpitations?

Hi, Thanks for posting in HCM. I understand your concern. Caffeine is a central nervous system stimulant belonging to the methylxanthine class. Its psychoactive effects are due to the blockade of adenosine receptors of brain. It can increase the heart rate by increasing the levels of catecholamines. It can increase the systolic blood pressure by enhancing angiotensin II and epinephrine. Both these effects can result in heart palpitations and increase blood pressure. It would better to avoid its intake as it is showing such effects. Hope the information provided would be helpful. All the best.