![Fig. 4. ( A ) Effect of ketamine on extracellular Ca2+-induced increases in tension in endothelium-denuded pulmonary vein strips. ( B ) Effect of ketamine on extracellular Ca2+-induced increases in intracellular Ca2+concentration ([Ca2+]i) in endothelium-denuded pulmonary vein strips. ( C ) Effect of ketamine on the pulmonary vein [Ca2+]i–tension relation. Ketamine had no effect on increases in tension ( P = 0.875), [Ca2+]i( P = 0.869), or the [Ca2+]i–tension relation ( P = 0.892). n = 6.](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/102/3/10.1097_00000542-200503000-00018/2/18ff4.png?Expires=1716265975&Signature=VBjzpivqh4-OZg-8vOzrETGd2plSo3D0TLD0hNBbZKrlyWD41ZVcL4YUDf6zRGFuwvC8QWV7-TT~vl8sFYXR-t6URLttKevsj3xqagjcrC5gftHMi0HNKlPJL11PyVTcKOZz-oALBngvcPLJcccSgcs1PFL2KvomO5JqRrsXDUZBEyFf2OB9pwcdHuWZ1oQeINXbMwprbjHs38khPBKqRncfC4tpjHEk3dWODEOApq83dwYIvJq8NDuOr2bQc-uaB10frKS8jZJm5tNFtxh4clHjX3HhGAJuldW8vzMCJJgY2mZxClki0mnhzf1YdQNQE52Gup9nJV~jtWCQgoRTZQ__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Fig. 4. ( A ) Effect of ketamine on extracellular Ca2+-induced increases in tension in endothelium-denuded pulmonary vein strips. ( B ) Effect of ketamine on extracellular Ca2+-induced increases in intracellular Ca2+concentration ([Ca2+]i) in endothelium-denuded pulmonary vein strips. ( C ) Effect of ketamine on the pulmonary vein [Ca2+]i–tension relation. Ketamine had no effect on increases in tension ( P = 0.875), [Ca2+]i( P = 0.869), or the [Ca2+]i–tension relation ( P = 0.892). n = 6.
