In the paper an evident concern is exposed by the ethical dilemmas before the hardly taking decisions for the adequateness therapeutic effort in relation with the noninvasive mechanical ventilation in the daily medical practice in the intensive care units.

With the objective of achieving a theoretical reflection, essential aspects related with this polemic are exposed to reach an approach in so controversial topic, so effective in our daily reality and that it involves numerous spheres, being therefore of imperious necessity of debate.

Health care professionals should have comprehensive training, especially in the humanitarian aspects of care. This is essential to enable them to correctly resolve ethical conflicts that arise in professional practice.