List of dynamic tests
Purpose
To investigate mineralocorticoid function when standing up.
Subject preparation
Fasting for 12 hours.
Protocol
1 Either a first sample (EDTA tube) taken with the patient lying down and a second (EDTA tube) after one hour of walking. 2 Or a first sample taken after one hour of walking and a second after two hours lying down.
Samples
After centrifugation at room temperature, draw off the plasma and freeze as soon as possible.
Assays
Aldosterone and active renin.