a40647_layout 4 125 0 14:03:51.080 23/02/2012 ~ 0 125/mV 9 0 -256 0 0 I ~ 0 90/mV 9 0 -256 0 0 II ~ 0 1.25(-100)/mmHg 9 0 -256 0 0 ABP ~ 0 5(-100)/mmHg 9 0 -256 0 0 PAP