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Angiography
A medical imaging technique that uses contrast dye and X-rays to visualise blood vessels and assess their condition.
Angioplasty
By unblocking arteries, this minimally invasive procedure reinstates blood flow to the heart, replacing open-heart surgery.
Angiotensin II Receptor Blockers (ARBs)
A class of medicines used to treat high blood pressure.
Angiotensin-converting enzyme Inhibitors (ACE Inhibitors)
A group of drugs used to treat high blood pressure and heart failure. ACE inhibitors block a specific enzyme (ACE or angiotensin-converting enzyme) which retains salt in the kidney and can cause heart and blood pressure problems.
Ankle Transmetatarsal and Toe Tracings
A procedure used to test the arterial blood flow to the hands and feet.
Annulus
A ring of tough fibrous tissue which is attached to and supports the leaflets of the heart valve.
Anomalous Coronary Artery
The normal anatomy of the coronary arteries involves their origin from the aorta at each of two separate sites. Sometimes people can be born with the origin of a coronary artery that comes from an abnormal site and this can…
Antiarrhythmic
A drug that is used to treat abnormal heart rhythms.
Antibody
A protein substance made by the body's immune system in response to a foreign substance, for example a previous transplant, blood transfusion or pregnancy. Because the antibodies attack the transplanted organ, transplant patients must take powerful immunosuppressive drugs.
Anticoagulant (“blood thinner”)
A medication that prevents blood from clotting; used for people at risk for stroke or blood clots.