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  • Title: Plasma adrenaline and noradrenaline in patients with acute myocardial infarction. Relationship to ventricular arrhythmias of varying severity.
    Author: Bertel O, Bühler FR, Baitsch G, Ritz R, Burkart F.
    Journal: Chest; 1982 Jul; 82(1):64-8. PubMed ID: 7083938.
    Abstract:
    Plasma adrenaline (A) and noradrenaline concentrations (NA) were determined in 41 patients admitted to the coronary care unit (CCU). Eleven with suspected acute myocardial infarction (AMI), subsequently excluded as a diagnosis, had significantly elevated A and NA compared with 20 normal resting subjects. Patients with proven infarcts but no ventricular fibrillation had even higher levels of A and NA. Nine patients with ventricular fibrillation as a complication of AMI showed the highest plasma catecholamine values on admission. Patients with AMI and congestive heart failure exhibited substantially increased A, while NA was only slightly elevated compared with that of AMI patients without congestive heart failure. High plasma catecholamines and the relationship between adrenaline and the severity of ventricular arrhythmias suggest that the sympathetic nervous system plays an important role in sustaining a vicious circle of increased myocardial damage and increased irritability during the acute phase of AMI.
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