What type of consent includes agreement given verbally or non-verbally without written documentation?

Implied consent refers to a situation where consent is granted through a person's actions or the circumstances rather than through explicit verbal or written agreement. This type of consent is often inferred from what a person does rather than what they say; for example, a patient who voluntarily presents themself for treatment and undergoes a procedure without verbalizing their agreement can be said to have given implied consent.

In many medical contexts, implied consent is considered sufficient when immediate intervention is necessary, such as in emergencies where a delay could harm the patient. It's important to distinguish this from other types of consent like written consent, which requires a signed document, and informed consent, where the patient is fully made aware of the risks involved and consents to the procedure explicitly.

The reason other types of consent do not fit is due to their requirement for explicit acknowledgment or documentation. Oral consent requires verbal approval but doesn't necessarily involve non-verbal cues. Therefore, implied consent is the most appropriate term for a situation where agreement is understood through actions rather than formalized speech or writing.