non·in·va·sive (n n  n-v  sv)adj. 1. Not penetrating the body, as by incision. Used especially of a diagnostic procedure. 2. Not invading healthy tissue. |
Noninvasive
Refers to tests that generally do not invade the integrity of the body, such as echocardiography or electrocardiography. (Cardiac cathetherization, on the other hand, in which catheters are introduced through blood vessels into the heart, is an example of an invasive test).
noninvasive
[-invā′siv]
Etymology: L, non + in, into, vadere, to go
pertaining to a diagnostic or therapeutic technique that does not require the skin to be broken or a cavity or organ of the body to be entered, for obtaining a blood pressure reading by auscultation with a stethoscope and sphygmomanometer.
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