. . "ventricular fibrillation"@en-us . "114363139"^^ . . . . "110304616"@en-us . . . "14363139-n"^^ . . . "fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest"@en-us . "0.25"^^ . "0"^^ . . "ventricular fibrillation"^^ . . . "113550092"@en-us . .