Table 2: Measured Electrophysiologic Parameters with Incremental
Dobutamine Dosing
|
Baseline |
5 mcg/kg/min |
10 mcg/kg/min |
15 mcg/kg/min |
20
mcg/kg/min |
SCL |
909 (793, 1056) |
850 (761, 1080) |
801 (600, 899) |
618 (545,
744) |
556 (496, 701) |
AVNBCL |
360 (320, 430) |
360 (305, 385) |
305 (270, 370) |
280 (250,
320) |
250 (230, 300) |
VABCL |
455 (360,600) |
420 (330, 530) |
340 (280, 480) |
300 (250, 390) |
290 (260, 360) |
AH interval |
74 (64, 99) |
71 (61, 87) |
71 (58, 86) |
62 (55, 71) |
58
(51, 70) |
HV interval |
50 (43, 54) |
47 (42, 56) |
48 (41, 52) |
47 (41, 53) |
47
(41, 54) |
QT |
411 (366, 451) |
414 (380, 450) |
394 (365, 427) |
377 (344, 418) |
362 (319, 393) |
AVNERP |
320 (260, 370) |
290 (250, 320) |
260 (220, 310) |
230 (190,
300) |
220 (200, 290) |
QRS duration |
95 (83, 105) |
93 (80, 104) |
90 (82, 104) |
93 (84, 102) |
88 (78, 100) |
AERP |
230 (200, 260) |
225 (200, 250) |
210 (190, 240) |
200 (180, 240) |
190 (165, 220) |
VERP |
260 (235, 290) |
240 (220, 280) |
240 (200, 260) |
210 (200, 250) |
220 (190, 240) |
SBP |
112 (99, 124) |
111 (104, 119) |
118 (108, 126) |
124 (107, 136) |
117 (100, 135) |
DBP |
65 (58, 72) |
64 (58, 70) |
62 (56, 68) |
60 (54, 69) |
59 (53,
65) |