Post-Meal Heart Rate Increases: Is It Normal?

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Hello, Doctor.
A few days ago, I asked you about my heart issues, and I would like to consult you again.
I have noticed that my heart rate increases after eating, and it becomes more pronounced the fuller I am.
Is this normal? I found online that someone mentioned a perspective from Professor Rong-Chi Chen of National Taiwan University: that normal individuals do not feel an increase in heart rate after meals, while those with heart abnormalities may notice this change.
Is this statement accurate? What is the definition of an abnormality? I have premature contractions and mitral valve prolapse; do these count as abnormalities?

Jie, 20~29 year old female. Ask Date: 2019/03/13

Dr. He Dongjin reply Cardiology

Hello, if your heart rate increases after eating and there are no arrhythmias, along with mild early contractions and mitral valve prolapse, it is generally not considered abnormal.
Professor Chen Rong-ji from National Taiwan University is not a cardiologist, so it's best to take his advice lightly.
Changhua Hospital cares about your well-being.

Reply Date: 2019/03/13

More Info

Experiencing an increase in heart rate after eating is a common phenomenon known as postprandial tachycardia. This occurs as the body redirects blood flow to the digestive system to aid in the digestion of food, which can lead to an increase in heart rate. For most individuals, this response is normal and not indicative of any underlying heart condition.
When you consume a meal, especially a large one, your body requires more blood to be directed towards the stomach and intestines. This increased demand for blood can cause the heart to pump faster, resulting in a noticeable increase in heart rate. This is a physiological response and is generally not a cause for concern unless accompanied by other symptoms such as chest pain, dizziness, or significant palpitations.

Regarding the statement you found online, it is important to note that while many healthy individuals may not consciously feel their heart rate increase after eating, this does not mean that it does not happen. The perception of heart rate changes can vary significantly from person to person. Some individuals may be more attuned to their bodily sensations and may notice changes in heart rate more readily than others.
As for the definition of "abnormal," it typically refers to heart rate changes that are excessive or accompanied by other concerning symptoms. In your case, having early contractions (premature ventricular contractions or PACs) and mitral valve prolapse (MVP) does not necessarily mean that your heart is functioning abnormally. Many people with MVP live normal, healthy lives without significant complications. Early contractions can be common and often benign, especially if they are infrequent and not associated with other symptoms.

If your heart rate increases significantly after meals, it may be worth discussing with your healthcare provider, especially if you experience discomfort or other symptoms. They may recommend monitoring your heart rate or conducting further tests to ensure that everything is functioning normally.
In summary, while an increase in heart rate after eating can be normal, it is essential to listen to your body and consult with a healthcare professional if you have concerns. Regular check-ups and discussions with your doctor can help you manage any underlying conditions and provide peace of mind regarding your heart health.

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