Research Article

Pharmacological Effects of Hydrocotyle bonariensis Comm. ex Lam (Araliaceae) Extract on Cardiac Activity

Figure 2

Effects of hydroethanolic extract of H. bonariensis leaves on the isolated perfused Wistar rat heart. Fc, QRS wave amplitude, and RR interval duration were analyzed. Perfusion of the extract caused a nonsignificant decrease in heart rate and a significant increase in RR interval at 50 mg/kg. n = 4. (2-way ANOVA+ Kruskal–Wallis test). Fc: heart rate; QRS: QRS wave amplitude; RR: RR interval duration; HB: Hydrocotyle bonariensis.