A patient who has executed a valid written out-of-hospital DNR order may revoke it without the assent of the treating physician. Is this statement true or false?

The statement is false. In Texas, a patient who has executed a valid written out-of-hospital Do Not Resuscitate (DNR) order does have the right to revoke that order at any time, regardless of the presence or approval of the treating physician. This principle is grounded in the patient's autonomy, which allows individuals to make choices about their medical care even when that may include revoking previously made decisions regarding life-sustaining treatment.

While it may be good practice for a patient to communicate their intent to revoke the DNR to their healthcare providers, the actual revocation does not depend on obtaining assent or agreement from the physician. The revocation can be done verbally or in writing, and it can take effect immediately upon the patient's declaration. Thus, the understanding of patient rights in this context emphasizes the importance of autonomy and decision-making capacity in healthcare.