--> keys <-- idfactura_detalle : 12184||idfactura : 4274||--> fields <-- descripcion (new)  : Electrocardiografo Cardio Tecnica RG 401||cantidad (new)  : 1||precio_unitario (new)  : 550.00||subtotal (new)  : 550.00||porcentaje_iva (new)  : 0||iva (new)  : 0||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 550.00||art_id (new)  : ||ctacte (new)  : 