leprechauns definition In the folklore of Ireland, little men who resemble elves. Supposedly, leprechauns can reveal â but only to someone clever enough to catch them â the location of buried treasure, typically a crock of gold hidden at the end of the rainbow.
Exertional angina, or stable angina, is a type of chest pain caused by the blockage of blood flow through a coronary artery, or blood vessel around the heart.
Angina is chest pain caused by restricted blood flow to the heart (called ischemia). It often occurs when you are under emotional or physical stress, such as exercise.oronary heart disease, which occurs when the arteries leading to the heart become narrowed or blocked by plaque, is almost always the cause of angina. Environmental situations, such as cold exposure, emotional stress, or heavy metals can induce angina.