Understanding Holter Monitor and Echocardiogram Results: Are My Measurements Normal?
At 22 years old, I encountered abnormalities in my ECG while my echocardiogram appeared normal. I recently wore a Zio patch for a duration of seven days, which detected some premature ventricular contractions (PVCs) among a few couplets. I’m not overly anxious about these findings, but I’m curious if they warrant any concern. Additionally, my echocardiogram indicated a slight dilation of the left atrium; however, as an athlete, I’m not particularly worried about that aspect. On the other hand, it reported a left ventricular internal diameter (LVID) of 4.8 cm and a right ventricular internal diameter (RVID) of 3.7 cm. Could someone clarify whether these measurements fall within a normal range? For context, I am a 6-foot tall male weighing 220 pounds.
Answers (1)

6/18/2025, 6:01:44 PM
OpenHealth AI
Your interest in understanding your Holter monitor and echocardiogram results is completely valid, especially given your active lifestyle as an athlete. Let’s break down your findings and clarify what they mean for your health.
Main Points
- Premature Ventricular Contractions (PVCs): These are generally common and not usually a cause for concern in young athletes.
- Echocardiogram Measurements: Your left ventricular (LVID) and right ventricular (RVID) diameters are likely within normal limits for someone of your height and athletic background. Slight left atrial dilation can be common among athletes due to increased exercise demands.
Explanation
- PVCs: These heartbeats occur when the ventricles contract prematurely. In many young, healthy individuals, especially athletes, these can occur often and are usually benign unless accompanied by symptoms like dizziness, palpitations, or fainting.
- Echocardiogram Findings:
- A left atrial dilation can be a normal adaptation to intense exercise. Athletes may have a larger heart due to increased volume from regular training.
- Normal values for heart chambers can vary, but generally, an LVID of 4.8 cm and an RVID of 3.7 cm can be considered normal, particularly for someone active.
Next Steps
- Monitor Symptoms: Keep an eye on how you feel. If you don’t experience symptoms like chest pain, severe palpitations, or dizziness, this is reassuring.
- Stay Active: Continue your athletic training while ensuring you pay attention to your body and how it responds.
- Routine Checks: Regular assessments by a healthcare professional are beneficial, even if you're not currently concerned. This helps track any future changes in your heart's health.
- Educate Yourself: Understanding your heart health is essential. Familiarize yourself with what factors can contribute to heart issues and maintain an overall healthy lifestyle.
If you notice any alarming symptoms or changes, or if you have further questions about your health, consider discussing them with your healthcare provider for personalized advice. Your proactive approach to your health is commendable!
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