Table 2.

Langendorff-perfused hearts from mice with and without tumors paced at 7 Hz.

	Control	Tumor
End Diastolic Pressure (mmHg)	7.0 ± 0.3	6.8 ± 0.5
Time to 50% Pressure Rise (msec)	24.5 ± 0.4	24.6 ± 0.8
Time to 50% Pressure Fall (msec)	32.6 ± 0.6	36.5 ± 0.8***
Full Duration at Half-Maximum (msec)	57.1 ± 0.6	61.1 ± 1.2**
Peak Width (msec)	99.8 ± 1.9	108.9 ± 2.0**

N = 15 mice per group; data are mean ± SEM; **P < 0.01, ***P < 0.001.