Table I.

Initial anesthesia dose and pretest time. Values are presented as median (minimum-maximum) or mean [SD].

Variable	Midazolam (n = 8)	Dexmedetomidine (n = 8)	Morphine (n = 8)	Control (n = 8)
Ketamine dose (mg)	30 (30–33)	30 (30–32)	30 (30–33)	30 (30–33)
Xylazine dose (mg)	4 (3–5)	4 (3–5)	4 (4–4)	4 (3–5)
Jugular catheter time (min)	14.50 [0.92]	14.25 [1.28]	14 [1.06]	14.12 [1.24]
Drug onset time (min)	26.87 [2.29]	26.75 [2.12]	27.25 [2.37]	27.50 [2.50]
Recording onset time (min)	148.75 [13.15]*,†	123.25 [9.16]*	112.37 [9.08]*	58.75 [16.48]
Wash-Out time (min)	198.57 [17.09]*,†	170.25 [12.10]*	150.30 [15.24]*	100.75 [19.21]

^⁎Versus control (P < 0.05).

^†Versus morphine (P < 0.05).