Table 3.

Summary of surface and pseudo-ECG parameters from anesthetized mice. Note: #: p ≤ 0.05, WT vs. Trpm4^−/−.

	Surface ECG		Pseudo-ECG
	WT	Trpm4 −/−	WT	Trpm4 −/−
P dur. (ms)	12.1 ± 2.1	14.1 ±2.0	13.8 ± 0.7	19.0 ± 0.9 #
PR (ms)	47.1 ± 0.9	43.3 ± 2.6	45.4 ± 2.2	48.8 ± 3.0
QRS (ms)	10.2 ± 0.2	10.4 ± 0.5	9.1 ± 0.4	10.3 ± 0.5
QT (ms)	56.3 ± 2.1	65.1 ± 4.1	80.5 ± 12.4	99.1 ± 10.3
QTc (ms)	43.7 ± 2.9	44.2 ± 3.3	52.0 ± 7.3	61.8 ± 6.6
HR (bpm)	361 ± 20.0	280 ± 19.0 #	246 ± 11.9	230 ± 8.7