Patent ID: 8703098

Claim:
An adrenomedullin derivative comprising: an adrenomedullin peptide comprises the sequence: Tyr-Arg-Gln-Ser-Met-Asn-Asn-Phe-Gln-Gly-Leu-Arg-Ser-Phe-Gly-Cys-Arg-Phe-Gly-Thr-Cys-Thr-Val-Gln-Lys-Leu-Ala-His-Gln-Ile-Tyr-Gln-Phe-Thr-Asp-Lys-Asp-Lys-Asp-Asn-Val-Ala-Pro-Arg-Ser-Lys-Ile-Ser-Pro-Gln-Gly-Tyr (SEQ ID NO:1) or a fragment thereof chelated to at least one active agent by a chelating agent, wherein said active agent is selected from a paramagnetic element and a radioactive element, and said adrenomedulin derivative is configured for clinical imaging of the pulmonary circulation of a live mammal.