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.
Variant angina is caused by a spasm in a coronary artery that supplies the heart muscle with blood, oxygen, and nutrients.ariant angina is often treated with medications called calcium channel blockers. These medications can decrease variant angina attacks and are often used in combination with nitrates during attacks. If another condition is contributing to your angina, such as CAD, then it will need to be treated as well..