Articles Vol. 66 No. CĐ14-HNKH BV Giao thông Vận tải 12/01/2026

13. TWENTY-FOUR-HOUR HOLTER ELECTROCARDIOGRAPHY FINDINGS IN GENERAL INTERNAL MEDICINE DEPARTMENT 1, TRANSPORT HOSPITAL (2019–2024)

Nguyen Thi Thu Hien1,2, Phung Van Ngu1,2, Le Quang Hieu1,2, Phung Duc Thuy1,2, Mai Thi Minh Ngoc1,2, Tran Phuong Lan1,2
1 Transport Hospital Joint Stock Company
2 Bệnh viện Giao thông vận tải
Corresponding author: thuhiengiaothonghospital@gmail.com
DOI: 10.52163/yhc.v66iCD14.3064
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Keywords
Holter electrocardiogram; arrhythmia; heart rate variability.
Abstract

Study objectives:

  1. Survey of characteristics of the patients monitored by 24-hour Holter electrocardiogram.
    2. Evaluation of the recorded arrhythmias and heart rate variability.

Methods: Cross-sectional descriptive study, conducted on 659 inpatients and outpatients at the Department of Internal Medicine No. 1 of Transport Hospital (Hanoi) from 2019 to September 2024. Patients were monitored by 24-hour Holter electrocardiogram machines and data were analyzed using SPSS software.

Results:

- Characteristics of the study group: Male patients accounted for 59.5%, female 40.5%; mean age 47.62 ± 23.22 years. 35.2% of all patients had at least one diagnosed disease.

- Recorded arrhythmias: Sinus tachycardia is the most common (77%), ventricular extrasystoles (53%), atrial fibrillation (6.9%). Severe ventricular arrhythmias (Lown grade ≥ 3) tend to increase in the age group ≥ 60 years.

- Heart rate variability: SDNN, mean NN and pNN50 indices decrease significantly with age and the severity of comorbidities such as hypertension, diabetes, heart failure.

Conclusion: 24-hour Holter electrocardiogram is a useful tool in detecting and evaluating arrhythmias. This study provides additional data on the role of Holter electrocardiogram in the diagnosis and prognosis of cardiovascular diseases in Vietnam.

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