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 potassium and to {HEAD ~ a method} for {TAIL ~ 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 potassium and to { HEAD ~ a method } for { TAIL ~ the prevention } of stone heart development during acute cardiac ventricular fibrillation
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