Your Holter Monitor Results: Key Insights for Heart Health - Cardiology

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Dear Dr.
He,
Earlier this year, I visited for palpitations, and a 24-hour Holter monitor showed over 400 atrial premature contractions (APCs) and 24 ventricular premature contractions (VPCs).
I have been taking Concor 5mg, half a tablet once daily for long-term control.
Recently, I returned for a follow-up and wore the 24-hour Holter monitor again.
The report is as follows:
1) Sinus rhythm with a rate of 45-113 beats per minute and a mean of 73 beats per minute.
The maximum heart rate was 113 bpm at 7:42 AM due to sinus tachycardia.

2) No VPCs.

3) Rare APCs, total: 38 beats.

4) There were intermittent ectopic atrial beats.

5) No pauses.

6) There was intermittent ST elevation in leads V5 and II.

7) No events.
[ST Absolute: Depression * / Elevation 9.37 mm]
I have a few questions:
1.
Since I was taking Concor during this Holter monitoring, will it affect the interpretation of the results? I was not taking it during the last monitoring.

2.
Are there any abnormalities in this report that I should be concerned about? I can only understand that the early contractions have decreased.

3.
What do items 4 and 6 in the report mean? The attending physician only mentioned that I have a few arrhythmias, but I am still anxious.
Thank you for taking the time to respond!

Wǒ de ti, 30~39 year old female. Ask Date: 2021/10/06

Dr. He Dongjin reply Cardiology


Hello, this report is much better than the last one, possibly due to the use of Concor.
The fourth point describes that number 35 indicates no issues.
Number 6 may reflect an unstable baseline, which may not necessarily be significant and can be observed.
Overall, the report is quite normal, so there is no need to worry.
Changhua Hospital cares about you.

Reply Date: 2021/10/06

More Info


Understanding your Holter monitor results is crucial for assessing your heart health, especially after experiencing symptoms like palpitations. Let's break down your recent findings and address your concerns.

1. Impact of Concor (Bisoprolol) on Results: Concor, a beta-blocker, is often prescribed to manage heart rate and reduce symptoms of arrhythmias. Since you were on this medication during your recent Holter monitoring, it likely contributed to the observed sinus rhythm and heart rate variability. Beta-blockers can help stabilize heart rhythms and reduce the frequency of premature atrial contractions (PACs) and other arrhythmias. Therefore, comparing this report with your previous one, where you were not on medication, is essential. The reduction in PACs from over 400 to 38 beats is significant and suggests that the medication is effectively managing your symptoms.

2. Interpreting the Report: The report indicates that you have a sinus rhythm with a heart rate ranging from 45 to 113 beats per minute, with an average of 73 bpm. The maximum heart rate of 113 bpm, noted as sinus tachycardia, is not uncommon, especially in response to physical activity or stress. The absence of ventricular premature contractions (VPCs) is a positive sign, indicating that your heart is not experiencing significant ventricular arrhythmias. The rare occurrence of PACs is also a good sign, as it shows a reduction in these early beats compared to your previous monitoring.

3. Understanding Intermittent Ectopic Atrial Beats and ST Elevation: The intermittent ectopic atrial beats refer to occasional beats originating from an area in the atria other than the sinoatrial node, which can be benign, especially if infrequent. However, they can sometimes indicate underlying issues, particularly if they are frequent or associated with symptoms. The ST elevation you mentioned, particularly in leads V5 and II, is noteworthy. ST segment changes can indicate myocardial ischemia or other cardiac conditions. The absolute ST elevation of 9.37 mm is significant and should be monitored closely. It’s essential to discuss this with your cardiologist, as they may recommend further evaluation, such as a stress test or echocardiogram, to assess for any underlying coronary artery disease or other cardiac issues.

In summary, your Holter monitor results show an improvement in the frequency of PACs, likely due to the medication you are taking. While the ST elevation and intermittent ectopic beats warrant further discussion with your healthcare provider, the overall trend suggests that your heart is responding well to treatment. It’s crucial to maintain regular follow-ups with your cardiologist to monitor these findings and adjust your treatment plan as necessary. Always feel free to ask questions during your appointments to ensure you fully understand your heart health and any potential risks.

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