 during cooling (control [C] values are normalized to the values obtained at 37 degrees Celsius and at 3.9 mM [K sup +]o). *P < 0.05 V (verapamil) versus C (control) at respective temperature.](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/82/3/10.1097_00000542-199503000-00013/2/13ff5.png?Expires=1716619075&Signature=39oebhQHijItW1UUZ8P8j0riUN5lqAHr~d~0i9WFoi60KJD409gs4N4zTj2D1gA3xufDHh4460EVOCwgxq8MMCoSQWlb0W3J8PVukizchz1v-4IT60UK0ThiwFzSOehZ8K2xh2a0ix3-6~kmsqttK9VvXg0854Bntqdf5WnOwjvHx5TwatTT0MfoPDVhv0Epn5q8lXoYDIw~gjDehKReREHF26bWVv4vw5KBr6GaS5tOsdgHiy9X2KmDns2toPWeJu4uS7zqhVhESY0Ue0Qk97OeH0d4TYwZv9Cnd2ZEgDyS2kVjq9R4r9SN~ISBYidy-4L2QU49xyvegydbrm~dXQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Figure 5. Relative changes in action potential duration at 50% repolarization (APD50) by verapamil at various external [K sup +]([K sup +]o) during cooling (control [C] values are normalized to the values obtained at 37 degrees Celsius and at 3.9 mM [K sup +]o). *P < 0.05 V (verapamil) versus C (control) at respective temperature.
