Nonclinical Safety Pharmacology Study of the Herbal Product HAD-B1

Figure 3

Effects of HAD-B1 on ECG in beagle dogs. G1 (HAD-B1, 0 mg/kg), G2 (HAD-B1, 500 mg/kg), G3 (HAD-B1, 1000 mg/kg), G4 (HAD-B1, 2000 mg/kg). (a) PR interval. (b) QRS interval. (c) QT interval. (d) RR interval. (e) QTc interval.

(a)

(b)

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(d)

(e)