it was found that the two vertical shock pathways had substantially higher impedance than the standard transthoracic pathway : tongue-epigastric pathway 130 +/- 11 omega ( sd ) , tongue-apex pathway 115 +/- 12 omega , transthoracic pathway 68 +/- 11 omega ( p less than 0.05 ) .
C0040408
tongue
C0226946
tongue-apex