Objective to research the characteristics of heart rate variability (HRV) of patients with unstable angina pectoris (UAP) and effects of bisoprolol for HRV.
目的探讨心率变异性(HRV)在不稳定型心绞痛(uap)发病中的变化及临床意义。
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Objective To study the Effects of Bisoprolol on essential hypertensive (EH) left ventricular hypertrophy (LVH) and heart rate variability (HRV) with abnormal circadian rhythm of blood pressure.