[Reproducibility of functional classification in patients with stable angina pectoris]

Diagnostic indices based on various sets of signs were developed to define functional classes of angina pectoris. At the same simultaneous application of clinical parameters (age, conditions for onset of anginal episodes and their arrest, the number of weekly anginal episodes, the level of daily exercise, over 1-mm ST segment depression, resting ECG signs of left ventricular hypertrophy, etc.) and bicycle ergometer testing data (cardiac output, peak exercise heart rate, etc.) augmented the accuracy and reliability of identification of a functional class in patients with stable angina. The diagnostic indices are highly reproducible and may be useful in the assessment of the course of the disease and its prognosis in patients with coronary heart disease.