Look from recognition factor , what one does not expect of medical treatment reason is behavior person to know perfectly well now produce harm result possibly perhaps necessarily ; and expression of medical treatment error is behavior person to arrive to although ought to foreknow , endangering the happening of the result , but did not foreknow actually , just perhaps see beforehand look in him and the possibility of unreality 从熟悉因素上看,医疗故意表现为行为人明知必然或者可能发生危害结果;而医疗过失表现为行为人对危害结果的发生虽然应当预见到,但实际上并没有预见到,或者只是预见到在他看来并非现实的可能性。