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Can excessive caffeine intake cause irregular and rapid pulse?

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Posted on Mon, 23 May 2016
Question: I admit to drinking a lot of coffee. Would only that be causing irregular and rapid pulse?
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Answered by Dr. Benard Shehu (19 minutes later)
Brief Answer:
Following advice...

Detailed Answer:
Hi and thank you for asking!
I read your query and understood your concerns.

Drinking a lot of coffee alone may be responsible for rapid pulse and arrhythmia. However, other causes should be excluded including:
- Anemia
- Hormonal imbalance (hyperthyroidism)
- Heart failure.

This is why I would like to recommend doing the following examinations:
- Blood work (including hormonal balance)
- ECG
- Cardiac echo
- Holter monitoring

Hope this willl be of help!
Wish you health!
Dr. Shehu
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Benard Shehu

Cardiologist

Practicing since :2004

Answered : 2257 Questions

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Can excessive caffeine intake cause irregular and rapid pulse?

Brief Answer: Following advice... Detailed Answer: Hi and thank you for asking! I read your query and understood your concerns. Drinking a lot of coffee alone may be responsible for rapid pulse and arrhythmia. However, other causes should be excluded including: - Anemia - Hormonal imbalance (hyperthyroidism) - Heart failure. This is why I would like to recommend doing the following examinations: - Blood work (including hormonal balance) - ECG - Cardiac echo - Holter monitoring Hope this willl be of help! Wish you health! Dr. Shehu