Table 2.

Effects of perilymphatic perfusion of Na⁺,K⁺-ATPase blockers on the ISP

Blocker	ΔISP (mV)	ISP – EP (mV)	n
Ouabain (50 μm)	66.2 ± 2.5	5.6 ± 1.1	4
Ouabain (1 mm)	75.8 ± 2.1†	24.2 ± 3.5*	3
Strophanthidin (50 μm)	67.9 ± 4.1†	8.6 ± 5.2‡	4

ΔISP, subtraction of initial ISP from the minimum value that was detected at the end of the period of the perfusion. ^†Not significantly different from any other values. *Significantly different from any other values (P < 0.05). ^‡Not significantly different from the value obtained during perfusion of 50 μm ouabain.