1) Medical emergency 
Copeptin (also known as CT-proAVP) is a 39-amino acid-long peptide deriving from a pre-pro-hormone consisting of vasopressin, {nobr|neurophysin II} and copeptin. Vasopressin (AVP), also known as the antidiuretic hormone (ADH), is involved in multiple cardiovascular and renal pathways and functions. However, vasopressin measurements are not commonl...