Pathophysiology
Clinical meaning
Informed consent is a legal and ethical process that ensures patients have the right to make autonomous decisions about their healthcare based on adequate information, understanding, and voluntariness. The doctrine of informed consent is rooted in the ethical principles of autonomy (the right of competent individuals to make decisions about their own bodies), beneficence (acting in the patient's best interest), and nonmaleficence (doing no harm). In Canadian and American common law, providing treatment without valid informed consent constitutes battery (unwanted touching) and may also constitute negligence if the healthcare provider failed to disclose material risks that a reasonable person would want to know before making a decision. There are five essential elements of valid informed consent. First, disclosure: the healthcare provider must explain the diagnosis, the nature and purpose of the proposed treatment or procedure, the expected benefits, the material risks and potential complications, alternative treatments (including the option of no treatment), and the consequences of refusing treatment. Second, comprehension: the information must be presented in language and format that the patient can understand, avoiding medical jargon, using interpreters when...