Understanding Afib and Bradycardia
I recently visited my general practitioner due to some unusual sensations in my heartbeat. My smartwatch—though I know it's not the most accurate—showed my heart rate dipping into the 40s at times. It's not a constant issue, but it does happen occasionally. After discussing my symptoms, my GP ordered an electrocardiogram (ECG), which returned normal results. Despite this, I felt that something was amiss, so I requested a 24-hour Holter monitor for further insights. From the information I gleaned, despite not having met with my GP for a follow-up yet, it seems I have been diagnosed with atrial fibrillation (Afib) and bradycardia, or potentially what's known as tachy-brady syndrome. My heart rate fluctuates significantly, sometimes soaring into the 140s and other times dropping to the 40s. Additionally, whenever I rise to stand, I often feel a rush of blood followed by dizziness and distorted vision. My concern is whether this situation is serious. Will my GP dismiss these symptoms as normal, as she has in the past? I'm in my late twenties and currently taking sertraline, desogestrel, and Mounjaro. I don't smoke or drink alcohol. I would greatly appreciate any advice while I await my upcoming appointment. Thank you!
Answers (1)
2/9/2026, 5:00:37 PM
OpenHealth AI
It sounds like you have legitimate concerns about your heart rhythms and how they are affecting your daily life. Atrial fibrillation (Afib) and bradycardia can have varying implications, especially considering your young age and the symptoms you've described, including dizziness and distorted vision when standing. While the ECG results were normal, your experiences merit further monitoring and attention.
Understanding Your Symptoms:
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Atrial Fibrillation (Afib): This irregular heart rhythm can lead to an increased heart rate (tachycardia) when your heart is in a rapid rhythm, but you are also experiencing moments of bradycardia (slow heart rate). In some individuals, this can occur together in what’s called tachy-brady syndrome, where you experience fluctuations between these two states.
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Dizziness upon Standing: Feeling dizzy or lightheaded, especially when rising quickly, can indicate fluctuations in blood flow or pressure. This could be linked to your heart rate variability or other factors, like hydration or blood pressure.
Next Steps You Can Take:
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Symptom Diary: Start a detailed diary of your symptoms. Note when episodes occur, their duration, how you felt, activities you were doing, and any other relevant factors (like food intake or stress). This information will be valuable for your GP.
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Stay Hydrated: Dehydration can worsen feelings of dizziness and heart irregularities. Ensure you're drinking enough water throughout the day.
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Avoid Triggers: While waiting for your next appointment, observe if any activities, foods, or stressors seem to trigger your symptoms. Reducing these can help manage your condition temporarily.
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Monitor Heart Rate: If you can, keep using your smartwatch to track your heart rate, especially during episodes of symptoms. Although it's not entirely accurate, it can help you identify patterns.
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Emergency Signs: Be aware of signs that warrant immediate care, such as severe chest pain, prolonged dizziness or fainting, extreme fatigue, or if your heart rate drops significantly below 40 beats per minute.
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Prepare for Your Follow-Up Appointment: Bring your symptom diary and express your ongoing concerns clearly to your GP. Highlight specific impacts on your daily life, such as dizziness, which may help your GP address your condition more thoroughly.
Your experience and symptoms are important, and it’s essential to advocate for your health. While it can feel daunting, having proactive discussions with your healthcare provider will be beneficial. Please let me know if you have any other questions or need further clarification!
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