angiography (also known as coronary angiography)
Angiography is an image of blood vessels captured through use of a minimally invasive fluoroscopic instrument and contrast dye injected into the body.
angioplasty (also called percutaneous coronary intervention)
Angioplasty is a procedure that involves insertion of a tiny balloon to unclog heart arteries.
The aortic valve is a valve located at the exit of the heart’s left ventricle.
aortic valve stenosis
Aortic valve stenosis is a narrowing of the aortic valve that prevents it from opening fully, reducing the volume of blood that can pass through it.
Arrhythmia is an electrical system malfunction of the heart related to its rhythm and characterized by an abnormal heart rhythm, notably in the pace and number of heartbeats.
arteriosclerotic heart disease (ASHD)
Arteriosclerotic heart disease (ASHD) is a hardening of the arteries that can be the result of fatty deposits, calcification or thickening arterial walls.
The atria are the two top (left and right) chambers of the heart.
atrial fibrillation (also called Afib)
Atrial fibrillation is a type of racing of the upper part of the heart (supraventricular tachycardia) caused by multiple abnormal electrical short circuits in the heart’s top left chamber (left atrium), just outside the pulmonary veins.
Atrial flutter is a type of arrhythmia. More specifically, it is a type of supraventricular tachycardia caused by an abnormal electrical short circuit in the top chambers of the heart (atria).
atrial septal defect
Atrial septal defect is an opening in the wall between the left and right upper chambers of the heart.
Atrial tachycardia is a type of supraventricular tachycardia caused by the abnormal firing of a group of cells in one of the top chambers of the heart (atria).
The atrioventricular node is a small channel of heart tissue separating the heart’s atria (top chambers) and ventricles (bottom chambers). It helps regulate the heart rate.