Arrhythmia
Conditions
Interventions
Normal PR interval group:None
Short PR interval group:None
Sponsors
Fifth Affiliated Hospital, Sun Yat-Sen University
Eligibility
Sex/Gender
Female
Age
20 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Women over the age of 20: Pregnant women in the late pregnancy stage (28 weeks of gestation or later). 2.Electrocardiogram records: At least one 12-lead electrocardiogram performed during late pregnancy, including data on PR interval and other electrocardiographic parameters. 3.Pregnancy status: No severe organic heart disease or serious pregnancy complications (e.g., severe preeclampsia), suitable for normal pregnancy monitoring.
Exclusion criteria
Exclusion criteria: 1.Pathological shortening of the PR interval: Pathological shortening of the PR interval caused by atrioventricular junctional arrhythmias, preexcitation syndromes, etc. 2.Organic heart disease: Pregnant women with a significant history of organic heart disease (e.g., cardiomyopathy, valvular disease, congenital heart disease, etc.). 3.Severe pregnancy complications: The occurrence of severe preeclampsia or other serious pregnancy complications that may affect electrocardiogram results. 4.Unhealthy lifestyle habits: Such as a history of heavy smoking or alcohol abuse. 5.Severe arrhythmias or conduction blocks: Such as third-degree atrioventricular block. 6.History of mental illness or consciousness disorders. 7.Use of medications affecting the PR interval: Such as beta-blockers, calcium channel blockers, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PR interval; | — |
Secondary
| Measure | Time frame |
|---|---|
| PR interval; | — |
Countries
China
Contacts
Public ContactNan Ding
Fifth Affiliated Hospital, Sun Yat-Sen University
Outcome results
None listed