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.
Angina-or angina pectoris (Latin for squeezing of the chest) - is chest pain, discomfort, or tightness that occurs when an area of the heart muscle is receiving decreased blood oxygen supply. It is not a disease itself, but rather a symptom of coronary artery disease, the most common type of heart disease.The lack of oxygen rich blood to the heart is usually a result of narrower coronary arteries due to plaque buildup, a condition called atherosclerosis.t is not a disease itself, but rather a symptom of coronary artery disease, the most common type of heart disease. The lack of oxygen rich blood to the heart is usually a result of narrower coronary arteries due to plaque buildup, a condition called atherosclerosis.