. Author manuscript; available in PMC: 2019 Oct 1.

Published in final edited form as: J Mol Cell Cardiol. 2018 Sep 5;123:92–107. doi: 10.1016/j.yjmcc.2018.09.002

Table 1.

EKG intervals, Ex Vivo and In Vivo Programmed Electrical Stimulation EKG Intervals

EKG Intervals

	Control	Wnt LOF

Conscious HR (bpm)	692 ± 16	718 ± 12
Isoflurane HR (bpm)	488 ± 15	497 ± 23
P wave duration (msec)	12.5 ± 1.3	10.5 ± 0.7
PR (msec)	37.7 ± 0.8	34.5 ± 0.7*
QRS (msec)	10.3 ± 0.7	10.1 ± 0.4
QT (msec)	17.5 ± 0.9	17.8 ± 8

Ex Vivo Programmed Electrical Stimulation

	Control	Wnt LOF

Mice with VT following RV stim	0/7	5/7*
Mice with VT following LV stim	0/7	0/7
Duration VT (s)	N/A	94 ± 50
VT cycle length (msec)	N/A	48 ± 3
Mice with spontaneous NSVT/VT	0/7	2/7
Total episodes spontaneous NSVT/VT	0	734

In Vivo Programmed Electrical Stimulation

	Control	Wnt LOF
Heart Rate (bpm)	521 ± 21	572 ± 45
V to A 1:1 (msec)	90 ± 6	96 ± 6
V to A Wenckebach (msec)	83 ± 5	88 ± 5
RVERP₁₂₀ (msec)	38 ± 3	28 ± 3*
Episodes NSVT/VT (S1S2)	0	10*
Total episodes NSVT/VT	0	31*