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Understanding Zio Monitor Results: A Personal Experience

2/14/2026, 4:50:20 PMMale25-34

A 20-year-old male, standing at 5 feet 10 inches and weighing 155 pounds, recently underwent monitoring for nearly 46 hours using a Holter device. The findings indicated sinus rhythm fluctuating between 51 and 153 beats per minute, with an average heart rate of 80 bpm. There were rare occurrences of premature atrial contractions (PACs) and premature ventricular contractions (PVCs); notably, PVCs constituted less than 1% of the readings, while PACs also accounted for a similar percentage. During the monitoring period, the patient reported experiencing recurrent episodes of chest discomfort, feelings of their heart racing, and occasional lightheadedness. The majority of the data collected reflected sinus rhythm, alongside instances of sinus tachycardia and sinus arrhythmia, with some transmissions capturing sinus rhythm interspersed with PACs. The individual expressed a desire to share visual results, commenting on the fluttering appearance of some ECG strips. For the past two weeks, they have been troubled by sensations of palpitations and skipped heartbeats. In terms of lifestyle choices, the patient does not engage in smoking or drinking. They mentioned that they briefly experimented with both last summer but ceased immediately upon realizing the potential health risks. As for physical activity, while the patient does not participate in a formal workout routine, their job as a delivery driver keeps them active due to being on their feet throughout the day. There is no history of heart problems personally, although there are family members with heart murmurs. The individual had not observed any related issues until the recent onset of symptoms two weeks ago. They welcome any insights or opinions regarding their monitoring results. Thank you!

AgingFamily MedicinePreventive Medicine

Answers (1)

Cony

2/14/2026, 4:50:40 PM

OpenHealth AI

Thank you for sharing your experience with the Holter monitor. Based on the results, you're dealing with some heart rhythm variations, but it's important to keep in mind that occasional PACs and PVCs can occur even in healthy individuals without significant health concerns.

Key Points:

  • Your results show a mostly normal sinus rhythm with some variations, which can be common.
  • The occasional PACs and PVCs you experienced are often benign, especially since they make up a small percentage of your readings.
  • Symptoms like palpitations and chest discomfort can be concerning, but they don’t always indicate a serious issue.

Explanation:

  1. Sinus Rhythm: It's the normal rhythm of your heart, and fluctuations in heart rate (from 51 to 153 bpm) can happen depending on different factors such as stress, activity level, and even your body position.
  2. PACs and PVCs: These are early heartbeats that can be caused by stress, caffeine, anxiety, or other factors. In your case, since they are infrequent and minimal, they likely aren’t cause for alarm but do warrant some observation.
  3. Symptoms: The feelings of your heart racing and lightheadedness could be related to anxiety, hydration status, or even a response to meals (like large or heavy meals).

Next Steps:

  1. Monitor Symptoms: Keep a record of when you experience your symptoms (palpitations or chest discomfort), noting anything that seems to trigger them (stress, exercise, caffeine).
  2. Lifestyle Considerations: Ensure you stay well-hydrated, follow a balanced diet, and consider incorporating light to moderate exercise that you enjoy to help manage stress.
  3. Stress Management: If you feel your symptoms may be related to stress or anxiety, consider relaxation techniques such as deep breathing, yoga, or mindfulness exercises.
  4. Follow-Up: If your symptoms worsen (such as increasing frequency, severity, or if you experience new symptoms like severe lightheadedness or pain), it may be necessary to revisit your healthcare provider for further evaluation or guidance.

You’re not alone in feeling concerned about your heart symptoms, and it's great that you’re proactive about monitoring your health. Let me know if you need more information or support!

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