Post-ablation premature beats?
Hello doctor, my mother has had atrial fibrillation for three years.
She underwent catheter ablation surgery at the beginning of March.
After the surgery, the doctor mentioned that her left atrium was enlarged, but during her last follow-up appointment on June 8, the doctor said it had returned to normal size.
Since the surgery, she has not experienced any episodes, although sometimes she feels like an episode might occur, but it doesn't.
However, starting in late June, she occasionally feels like her heart skips a beat.
When measuring with a pulse oximeter, there are moments when the heartbeat pauses before continuing.
This happened once last Friday, but it resolved the next day.
Last night, it occurred again, and this morning she still feels the same sensation of skipped beats.
My mother says that although she doesn't feel uncomfortable, her heart feels strange.
The next follow-up appointment at the hospital is not until the end of August, and it's usually difficult to get an appointment.
I would like to ask if this indicates a recurrence? Does she need to undergo another catheter ablation?
Pan, 20~29 year old female. Ask Date: 2023/07/26
Dr. Wu Xueming reply Cardiology
It is necessary to undergo a check-up at the hospital to determine if another electrocautery procedure is needed.
Reply Date: 2023/07/26
More Info
Understanding post-ablation heart palpitations can be a complex process, especially for patients who have undergone procedures like catheter ablation for atrial fibrillation (AF). Your mother's experience following her ablation surgery is not uncommon, and it’s essential to interpret her symptoms in the context of her recent medical history.
Firstly, it’s important to recognize that catheter ablation is a procedure aimed at correcting abnormal heart rhythms, particularly in patients with AF. The goal of the procedure is to isolate the pulmonary veins and eliminate the electrical signals that cause AF. While many patients experience significant improvement or complete resolution of their symptoms post-ablation, some may still experience palpitations or irregular heartbeats, known as ectopic beats or premature contractions.
In your mother's case, the fact that she has not had any episodes of AF since the procedure is a positive sign. However, the sensation of "missed beats" or palpitations can occur for several reasons:
1. Normal Post-Ablation Recovery: After an ablation, the heart may take time to heal. During this healing process, the heart's electrical system can be somewhat unstable, leading to sensations of palpitations or skipped beats. This is often temporary and may resolve as the heart continues to heal.
2. Ectopic Beats: These are common and can occur in individuals with or without a history of AF. They are usually benign, especially if they are infrequent and not associated with other symptoms like dizziness or chest pain.
3. Atrial Flutter or Recurrence of AF: While your mother has not experienced full-blown AF episodes, it is possible for patients to develop atrial flutter or other forms of arrhythmia post-ablation. This can sometimes present as palpitations or a feeling of the heart racing.
4. Electrolyte Imbalances or Medication Effects: Sometimes, medications prescribed post-ablation or imbalances in electrolytes (like potassium or magnesium) can contribute to palpitations. It’s important to ensure that her medications are appropriately managed and that she is maintaining a balanced diet.
5. Anxiety or Stress: Emotional factors can also play a significant role in how one perceives heart rhythms. Stress or anxiety can lead to increased awareness of heartbeats and sensations that might otherwise go unnoticed.
Given that your mother has a history of AF and has recently undergone an ablation, it’s crucial to monitor her symptoms closely. If the sensations of missed beats are infrequent and not accompanied by other concerning symptoms (like chest pain, shortness of breath, or dizziness), they may not indicate a serious issue. However, it is essential to communicate these symptoms to her healthcare provider, especially since they have been occurring more frequently.
Regarding the need for another ablation, this decision would depend on several factors, including the frequency and severity of her symptoms, the results of any monitoring (like a Holter monitor), and the overall assessment by her cardiologist. If her symptoms persist or worsen, or if she experiences any new concerning symptoms, it would be advisable to seek an earlier appointment with her cardiologist or consider a visit to an urgent care facility if necessary.
In summary, while the sensations your mother is experiencing can be concerning, they are not uncommon after an ablation procedure. Continuous monitoring and communication with her healthcare provider will be key in managing her symptoms and determining the best course of action moving forward.
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