Top – Individual change in venous plasma norepinephrine in liver (liver Tx) and in kidney transplant (kidney Tx) patients.

<p>The change in plasma norepinephrine was calculated as the difference in averaged plasma norepinephrine 30–40 minutes after water drinking and averaged baseline norepinephrine. Bottom – Change in venous plasma norepinephrine over time. Patients started drinking water at 0 minutes.</p>