Impairment:  A problem with a body structure (e.g. loss of a limb) or the way a body part functions (e.g. hemiplegia).

Infarction:  Death of cells in an organ (e.g. the brain or heart) due to lack of blood and oxygen to the area.

Interprofessional stroke team:  A team of health care professionals who are dedicated to the care of persons with stroke.  It may include neurologists and other physicians with expertise in stroke management, physiatrists, nurses, primary care practitioners, physiotherapists, occupational therapists, speech language pathologists, social workers, dieticians, pharmacists, psychologists and rehabilitation assistants.  The person with stroke, their family, caregivers and community are also important parts of this team.

International normalized ratio (INR):  A blood test that measures the ability of blood to clot properly.  This ratio can be used to assess both bleeding and clotting abilities.  One common use is to monitor the effectiveness of anticoagulants such as warfarin.

Ischemia:  Lack of adequate blood flow to part of the body (e.g. brain) because of blockage or constriction of the arteries that supply it.