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.
Which drug groups are most often used to treat patients with angina? The nitrates and nitrites, the beta blockers, and the calcium channel blockers (CCBs) are the drugs most often used to treat patients with angina pectoris One of the patients asks the nurse to tell her more about a new drug the patient has been prescribed called ranolazine (Ranexa).