Table 1

Comparison of heart rate, systolic blood pressure, and double product in patients with hypertrophic cardiomyopathy (HCM) before and after verapamil treatment and in controls

HCM pre-verapamil HCM post-verapamil Controls
Heart rate (beats/min) 68  (9)1-150 64  (5) 72  (9)1-151
Systolic blood pressure (mm Hg)132 (12)1-150 121 (10)126 (8)
Double product9011 (1644)1-150 7755 (932)8933 (1079)1-151

  • Values are mean (SD).

  • ↵1-150 p < 0.05, HCM pre-verapamil v HCM post-verapamil;

  • ↵1-151 p < 0.05, controls v HCM post-verapamil.