Translation of "undutiful" into Spanish

The doctor retired into the kitchen, where, addressing himself to the landlady, he complained bitterly of the undutiful behaviour of his patient, who would not be blooded, though he was in a fever.

El doctor se retiró a la cocina, cuando, dirigiéndose a la casera, el se quejó amargamente del comportamiento desobediente de su paciente, que no sería sangriento, aunque tenía fiebre.