The present invention relates to use of potassium ions for the production of a medicament for the prevention of stone heart development during acute cardiac ventricular fibrillation in connection with cardiopulmonary resuscitation , to a cardioplegic solution comprising {HEAD ~ potassium} and to {TAIL ~ a method} for the prevention of stone heart development during acute cardiac ventricular fibrillation 
The present invention relates to use of potassium ions for the production of a medicament for the prevention of stone heart development during acute cardiac ventricular fibrillation in connection with cardiopulmonary resuscitation , to a cardioplegic solution comprising { HEAD ~ potassium } and to { TAIL ~ a method } for the prevention of stone heart development during acute cardiac ventricular fibrillation
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