Endocrine Abstracts

Introduction: The diagnostic procedure of primary aldosteronism (PA) includes one of four confirmatory tests, of which the saline suppression test (SST) seems to be the most convenient one. Current guidelines recommend SST to be performed in a recumbent position. However, a recent preliminary study demonstrated a higher sensitivity of SST when performed in the upright (i.e. seated) position. Here, we report a case of posture-responsive PA with a negative recumbent SST but clea...