Praxis Medical Insights

Patients must demonstrate the ability to understand, appreciate, reason about, and express a choice regarding medical information 1, 2
Capacity should be presumed until proven otherwise through specific assessment 2
Modern approach recognizes decision-specific capacity, where patients may retain ability for simpler decisions while lacking capacity for more complex ones 1, 3
Capacity assessment should not be based solely on age, appearance, or diagnosis 2

Information Disclosure

Disclosure should include the nature and purpose of proposed treatments, significant risks and benefits, available alternatives, and consequences of no treatment 2, 4
Information should be communicated in a form appropriate to the patient's culture, age, and educational level 4, 5
The standard has shifted from "reasonable physician" to "reasonable patient" standard, requiring disclosure of all material risks 2

After receiving and understanding information, the patient makes a decision in favor of a plan 1
The decision does not need to be rational from the clinician's perspective 2
Shared decision-making is the preferred model, where clinicians and patients work together to decide on the best care options 1, 3
Authorization can be verbal or written, with written forms often preferred for higher-risk procedures 3, 6

Emergency situations may warrant exceptions to obtaining informed consent 2
For patients with cognitive impairment, surrogate decision-makers may be needed 1, 3
Cultural contexts may necessitate involving community, elders, or family members in the consent process 4, 5