Managing Rapid Heartbeat After Surgery: When to Seek Cardiac Care

Arrhythmia

Hello Doctor: I underwent an emergency cesarean section on April 11 due to preeclampsia.
During my postpartum recovery, I have been taking antihypertensive medication, specifically one Adapine S.R.
30 mg tablet in the morning and four Atanaal 5 mg capsules throughout the day.
I have been on this regimen for about three weeks, and my blood pressure has stabilized.
I have since adjusted my medication to taking Atanaal 5 mg capsules twice a day, in the morning and evening.
My blood pressure has remained stable, and I have not taken any antihypertensive medication for over a week.
However, I frequently experience a rapid heartbeat! Whenever I use the restroom, move around, or eat, my heart rate spikes to the 120s, accompanied by shortness of breath and palpitations.
I consulted my obstetrician about whether I should be referred to a cardiologist, and they suggested that I observe my condition for a few more days as it should gradually improve.
They mentioned that my current breastfeeding and dehydration could be contributing to the increased heart rate and advised me to increase my fluid intake.
However, my milk supply is quite low, only about 20 mL.
I am wondering if this low milk supply could be affecting my heart rate.
I kindly request your response.
🙏🙏

Megan, 30~39 year old female. Ask Date: 2020/05/16

Dr. He Dongjin reply Cardiology

Hello, if you measure your pulse and it is regular without any significant discomfort, you can observe it for now, as it may be your body still adapting to the postpartum situation.
It is advisable to supplement with nutrition and hydration.
However, if you notice an irregular pulse or if symptoms such as increasing shortness of breath occur, it is recommended to visit a cardiology clinic for evaluation.
Changhua Hospital cares about your well-being.

Reply Date: 2020/05/16

More Info

Managing rapid heartbeat after surgery can be a complex issue, especially when it is accompanied by symptoms such as shortness of breath and palpitations. In your case, it appears that you have undergone an emergency cesarean section and have been managing your blood pressure with medication. While your blood pressure has stabilized, the rapid heartbeat you are experiencing is understandably concerning.

Firstly, it is important to recognize that a rapid heartbeat, or tachycardia, can have various causes. In the context of recent surgery, factors such as pain, anxiety, dehydration, and hormonal changes related to postpartum recovery can contribute to an increased heart rate. The body's physiological response to stress, including surgical stress, can also lead to elevated heart rates as the body works to heal and recover.

Your obstetrician's suggestion to observe your symptoms for a few more days is reasonable, especially if you are experiencing these symptoms in the context of recent surgery and postpartum recovery. However, it is crucial to monitor the situation closely. If your heart rate continues to remain elevated (above 100 beats per minute) during normal activities, or if you experience worsening symptoms such as severe shortness of breath, chest pain, or fainting, it would be prudent to seek further evaluation from a cardiologist.

Dehydration can indeed lead to an increased heart rate, particularly if you are breastfeeding and not consuming enough fluids. Breastfeeding can increase your fluid needs, and inadequate hydration can lead to a compensatory increase in heart rate. It is advisable to increase your fluid intake, focusing on water and electrolyte-rich fluids, to help manage your heart rate and overall well-being.

In addition to hydration, consider the following strategies to help manage your symptoms:
1. Rest and Relaxation: Ensure you are getting adequate rest. Stress and fatigue can exacerbate tachycardia. Incorporating relaxation techniques such as deep breathing exercises, meditation, or gentle yoga can help calm your nervous system.

2. Gradual Activity: When you do engage in physical activity, try to do so gradually. Sudden movements or exertion can trigger an increase in heart rate. Start with light activities and gradually increase as tolerated.

3. Dietary Considerations: A balanced diet that includes adequate potassium and magnesium can support heart health. Foods rich in these minerals include bananas, avocados, nuts, seeds, and leafy greens.

4. Monitoring Symptoms: Keep a diary of your heart rate, activities, and any associated symptoms. This information can be valuable for your healthcare provider if you need to seek further evaluation.

5. Follow-Up Care: If your symptoms persist or worsen, or if you have any concerns about your heart rate or overall health, do not hesitate to reach out to your healthcare provider for further evaluation. They may recommend additional tests, such as an electrocardiogram (ECG) or Holter monitor, to assess your heart's rhythm and function.

In summary, while it is common to experience fluctuations in heart rate after surgery, especially in the postpartum period, it is essential to remain vigilant. Adequate hydration, rest, and gradual activity can help manage your symptoms. If your heart rate remains elevated or you experience concerning symptoms, seeking cardiac care is advisable. Your health and well-being are paramount, and it is always better to err on the side of caution when it comes to your heart health.

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