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.
If you have frequent angina pains, you are likely to be prescribed one or more medicines which aim to prevent the pains from developing. You need to take these each day as prescribed. Several groups of medicines can prevent angina pains and these include beta-blockers, calcium antagonists, and long-acting nitrates.f you have frequent angina pains, you are likely to be prescribed one or more medicines which aim to prevent the pains from developing. You need to take these each day as prescribed. Several groups of medicines can prevent angina pains and these include beta-blockers, calcium antagonists, and long-acting nitrates.