An inflamed blister that forms beneath the epidermis after vigorous or repeated rubbing of the skin, e.g., on the toes or heels during sports activities. a collection of fluid, usually serum, between the layers of the skin, causing an elevated lesion.Caused by friction, burns, local allergic responses, e.g. stings.nless a blister is painful or interferes with function because of its size, it should not be punctured. If puncturing is required, it should be done aseptically, with the skin left in place. A sterile pressure bandage should then be applied.
Unstable angina (UA) is a type of angina pectoris that is irregular.It is also classified as a type of acute coronary syndrome. It can be difficult to distinguish unstable angina from nonâQ-wave myocardial infarction.nstable angina (UA) is a type of angina pectoris that is irregular.
Acute coronary syndromes. A term that refers to situations where the blood-supply to the heart muscle is suddenly blocked, resulting in heart attacks and unstable angina. Angina. Angina pectoris, commonly known as angina, is chest pain due to a lack of blood to the heart muscle.ll of which affect the heartâs ability to work normally. Coronary heart disease. A disease where one or more of the arteries supplying blood to the heart muscle becomes blocked. Blockage of these arteries means that some of the heart muscle becomes deprived of oxygen, which results in angina or a heart attack.