Elemental potassium is a soft silvery-white alkali metal that oxidizes rapidly in air and reacts vigorously with water, generating sufficient heat to ignite hydrogen emitted in the reaction and burning with a lilac flame.
An antianginal is any drug used in the treatment of angina pectoris, a symptom of ischaemic heart disease.
Nitrate medications are drugs administered to relieve chest pain (angina) that is associated with narrowed arteries to the heart that are starving the muscle of blood and oxygen. Angina is the bodyâs response to oxygen deprivation.