Arrhythmias After Heart Surgery: Causes and Concerns - Cardiology

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Regarding arrhythmia issues?


Hello, Director He.
I had surgery for mitral valve prolapse at the end of February this year (valve ring placement) and experienced arrhythmia as a complication, for which I took medication for three months and have since recovered.
Because of the arrhythmia, my blood pressure monitor can detect any irregular heart rhythms.
Recently, due to emotional stress, I have noticed the arrhythmia indicator appearing again in November.
I check my pulse daily, and about once a week, I feel a missed beat.
Sometimes, I experience three beats followed by a pause (this has only happened once when I was very anxious).
Currently, I only notice the pulse pause during times of emotional instability or excitement.
I feel a bit anxious (this condition seems to improve slightly after drinking milk), and I become easily nervous (just riding a bike, talking to others, or working can trigger it).

1.
Why has the arrhythmia recurred so soon after heart surgery? What could be causing this?
2.
The doctor prescribed anxiety medication after my heart surgery, but it was discontinued after three months.
Could the arrhythmia be caused by anxiety?
3.
Is this type of arrhythmia life-threatening?
4.
I have read that if it is "ventricular premature contraction," it could lead to sudden ventricular tachycardia.
Is this true?
5.
Is there a chance that medication could completely cure this condition?
I have quite a few questions, and I appreciate your guidance, Director He.
Thank you very much.

Mr. Hong, 30~39 year old female. Ask Date: 2020/12/01

Dr. He Dongjin reply Cardiology


Hello, it seems that the premature ventricular contractions (PVCs) you are experiencing are likely caused by anxiety, which may be different from the arrhythmias associated with mitral valve prolapse surgery.
There are many types of arrhythmias, and it doesn't necessarily mean that you are experiencing a recurrence of arrhythmia.
I believe it is not a recurrence; the likelihood of PVCs leading to sudden ventricular tachycardia is very low.
Try not to overthink it.
Complete resolution? If your anxiety can be completely resolved, then perhaps.
Relax and enjoy life; PVCs are really not a big deal.
Start by taking your anxiety medication and discuss further treatment with your attending physician.
I pray for your peace.
Changhua Hospital cares about you.

Reply Date: 2020/12/01

More Info


Hello! Thank you for your detailed questions regarding your experience with arrhythmias following your mitral valve surgery. It’s understandable to have concerns about your heart health, especially after undergoing such a significant procedure. Let’s address your questions one by one.

1. Why did arrhythmias recur shortly after heart surgery? What could cause this?
After heart surgery, it is not uncommon for patients to experience arrhythmias. This can be due to several factors, including the surgical trauma to the heart, changes in the heart's electrical conduction system, inflammation, or even electrolyte imbalances. The heart's electrical system can be sensitive after surgery, and it may take time for it to stabilize. Additionally, factors such as stress, anxiety, and even certain medications can contribute to the recurrence of arrhythmias.

2. Could anxiety be causing the arrhythmias?
Yes, anxiety can significantly impact heart rhythm. Emotional stress can lead to increased adrenaline levels, which may trigger palpitations or arrhythmias. Since you mentioned that your arrhythmias tend to occur during times of emotional distress, it is plausible that anxiety is playing a role in your symptoms. It’s important to manage anxiety through relaxation techniques, therapy, or medication if necessary.

3. Is this type of arrhythmia life-threatening?
Most arrhythmias, especially those that are occasional and associated with anxiety, are not life-threatening. However, it’s essential to differentiate between benign arrhythmias and those that may indicate a more serious condition. If you experience symptoms such as chest pain, shortness of breath, or fainting, it is crucial to seek medical attention immediately. Regular follow-ups with your cardiologist can help monitor your heart's health and address any concerns.

4. Is it true that "premature ventricular contractions" (PVCs) can lead to sudden ventricular tachycardia?
PVCs are common and often benign. While they can be alarming, they do not typically lead to serious complications in healthy individuals. However, in some cases, frequent PVCs can lead to more serious arrhythmias, such as ventricular tachycardia, particularly in patients with underlying heart disease. It’s essential to discuss your specific situation with your cardiologist, who can assess your risk based on your overall heart health and the frequency of your PVCs.

5. Can medication completely cure this condition?
The treatment of arrhythmias often depends on their underlying cause. In many cases, medications can help control symptoms and reduce the frequency of arrhythmias. However, whether they can completely eliminate the condition varies from person to person. Some patients may require additional interventions, such as catheter ablation, if medications are not effective. Regular follow-up with your healthcare provider is essential to determine the best treatment plan for you.

In conclusion, it’s important to maintain open communication with your healthcare team regarding your symptoms and concerns. Keeping track of your heart rate and any associated symptoms can provide valuable information for your doctor. Additionally, managing stress and anxiety through relaxation techniques or therapy can be beneficial. If your symptoms persist or worsen, do not hesitate to seek medical advice. Your health and peace of mind are paramount. Thank you for reaching out, and I hope this information helps clarify your concerns!

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