Angina pectoris is a/an

• A

  Buildup of cholesterol plaque in the walls of arteries, causing obstruction of blood flow

• B

  Acute chest pain that appears when no enough oxygen is reaching the heart muscle

• C

  Sudden stoppage of the heart due to impaired conduction of impulses from the atria to the ventricles

• D

  Enlargement and twisting of veins that commonly occurs in the legs