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Figure 1: (a) Image showing “R wave amplitude variation” on preinduction electrocardiographic variations in plethysmography and perf of 0.3, (b) image showing decreased “R wave amplitude variation” but persisted variations in plethysmography and perf of 1.3

Figure 1: (a) Image showing “R wave amplitude variation” on preinduction electrocardiographic variations in plethysmography and perf of 0.3, (b) image showing decreased “R wave amplitude variation” but persisted variations in plethysmography and perf of 1.3