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Ventricular arrhythmias during unstable angina pectoris.
Archives of Internal Medicine
|December 1, 1975
Summary
Continuous ECG monitoring is crucial for unstable angina patients. Ventricular arrhythmias during pain-free periods predict serious arrhythmias during pain, necessitating further monitoring and treatment.
Area of Science:
- Cardiology
- Electrophysiology
Background:
- Unstable angina pectoris (UAP) is a serious condition.
- Ischemia-induced ventricular arrhythmias pose a significant risk.
Purpose of the Study:
- To investigate the occurrence and frequency of ischemia-induced ventricular arrhythmias in UAP patients.
- To identify predictors of serious ventricular arrhythmias.
Main Methods:
- Analysis of 105 episodes of spontaneous angina pectoris in 28 UAP patients.
- Continuous electrocardiogram (ECG) monitoring during hospitalization.
Main Results:
- Serious ventricular arrhythmias occurred in 24 patients during pain.
- 17 of 29 pain episodes in four patients were associated with serious ventricular arrhythmias.
- Three of these four patients had arrhythmias during pain-free periods.
Conclusions:
- Continuous ECG monitoring is vital during UAP hospitalization.
- Ventricular arrhythmias during pain-free periods indicate a high risk for serious arrhythmias during pain.
- Consider continued ECG monitoring and antiarrhythmic therapy for high-risk patients.