The Effect of Ivabradine on the Human Atrial Myocardial Contractility in an In Vitro Study

Figure 2

Calculation of contraction parameters. CF: force of contraction in millinewton; DC: duration of contraction in millisecond; TF: passive tension force in millinewton; Ttp: time to peak in millisecond; Ttr: time of relaxation in millisecond; ms: millisecond; mN: millinewton.