CONCLUSION: GST exerted a negative chronotropic action and induced a delayedrepolarization of pacemaker cells in SA nodes of rabbits.
结论：GST对家兔窦房结具有负性变时作用，并可延长复极化时程。
2
Delayed adaptation of ventricular repolarization after sudden changes in heart rate due to conversion of atrial fibrillation. A potential risk factor for proarrhythmia?