stress test electrocardiogram: ventricular premature depolarization with uniform nonfixed coupling at rest
stress test electrocardiogram: ventricular premature depolarization with uniform nonfixed coupling at rest
stress test electrocardiogram: ventricular premature depolarization with uniform nonfixed coupling at rest (procedure)
stress test electrocardiogram: ventricular premature depolarization with uniform nonfixed coupling at rest (procedure)