Heart Rhythm Disorders: Causes, Treatments, and Lifestyle Impact

Regarding heart problems?

Hello doctor, when I was a freshman in college, I experienced arrhythmia after consuming betel nut.
I only had it that one time; can the damage caused by betel nut directly lead to recurrent arrhythmia? After undergoing radiofrequency ablation, I thought I was cured, but it recurred six months later.
I had another radiofrequency ablation, but it recurred again a week later.
This time, I chose not to have surgery and have been taking two calcium channel blockers daily.
I still experience occasional episodes during this period.
Recently, the frequency of episodes has increased, so I opted for a 3D mapping radiofrequency ablation at a veterans hospital.
After the surgery, I measured my heart rate at home for three days, and it has been around 115-120 bpm; is that still too fast? Additionally, before the surgery, I often experienced rapid heart rate after eating too much, which makes me hesitant to eat quickly or in large amounts even after the surgery.
I have now adopted a small, frequent meal approach.
Can eating trigger a rapid heart rate? Lastly, I would like to ask if the erratic electrical activity in the nerves is congenital or acquired? Thank you.

Liu Xiansheng, 20~29 year old female. Ask Date: 2017/08/05

Dr. He Dongjin reply Cardiology

Hello, the damage caused by betel nut does not lead to frequent arrhythmias.
The irregular electrical activity in the nerves is likely congenital.
Any stimulation can trigger a rapid heartbeat, which is around 115-120 beats per minute, possibly even faster.
However, this may be related to autonomic nervous system issues and may not necessarily indicate arrhythmia.
It is advisable to continue monitoring at the Veterans General Hospital.
Changhua Hospital cares about you.

Reply Date: 2017/08/05

More Info

Understanding heart rhythm disorders, also known as arrhythmias, is crucial for managing symptoms and improving quality of life. Your experience with betel nut consumption leading to arrhythmias highlights how certain substances can trigger heart rhythm issues. Betel nut, which contains arecoline, can stimulate the heart and potentially lead to irregular heartbeats. While a single exposure may not cause permanent damage, it can sensitize the heart to future episodes of arrhythmia, especially if there are underlying predispositions.

After your initial experience, undergoing catheter ablation (the "electric burn" procedure) is a common treatment for persistent arrhythmias. This procedure aims to destroy the small areas of heart tissue that are causing the abnormal electrical signals. However, recurrence of arrhythmias after ablation is not uncommon. Factors such as the type of arrhythmia, the presence of structural heart disease, and individual patient characteristics can influence the success of the procedure.

The fact that you are now on calcium channel blockers suggests that your healthcare provider is managing your heart rate and rhythm pharmacologically. These medications can help control heart rate and reduce the frequency of arrhythmias. However, it is essential to monitor your heart rate closely, especially post-surgery. A resting heart rate of 115-120 beats per minute is considered elevated (tachycardia) and should be discussed with your cardiologist. They may want to evaluate whether this is a normal post-operative response or if further intervention is necessary.

Regarding your concern about eating habits, it is not uncommon for individuals with arrhythmias to experience increased heart rates after meals, particularly if they eat large portions or consume heavy, rich foods. This phenomenon can be attributed to several factors, including increased blood flow to the digestive system, which can lead to a temporary decrease in blood flow to other areas, including the heart. Eating smaller, more frequent meals can help mitigate this response and is often recommended for individuals with heart rhythm disorders.

As for the question of whether "nervous discharges" or arrhythmias are congenital or acquired, it can be both. Some individuals may have a genetic predisposition to arrhythmias, while others may develop them due to lifestyle factors, heart disease, or other medical conditions. Stress, anxiety, and certain stimulants (like caffeine) can also exacerbate arrhythmias.
In summary, managing heart rhythm disorders involves a combination of lifestyle modifications, medication, and sometimes surgical interventions. It is essential to maintain open communication with your healthcare provider to tailor a management plan that suits your needs. Regular follow-ups, monitoring your heart rate, and adjusting your diet can significantly impact your overall heart health. If you have concerns about your heart rate or symptoms, do not hesitate to reach out to your cardiologist for further evaluation and guidance.

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