FIELD: medicine.
SUBSTANCE: invention refers to medicine, namely cardiology, and is applicable to determine the time from the onset of atrial fibrillation to admission to hospital. That is ensured by sampling patient's biological fluid to be analysed for a level of proANP (SEQ ID NO: 1) or its fragments with the above fragments having a length of at least 6 amino acid residues.
EFFECT: method enables correlating the level of proANP or its fragments and the time from the onset of atrial fibrillation to admission of the above patient to hospital.
12 cl, 2 dwg, 4 tbl
