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.
Stable angina, also called angina pectoris, is the most common type of angina. Stable angina is a predictable pattern of chest pain. You can usually track the pattern based on what youâre doing when you feel the pain in your chest. Tracking stable angina can help you manage your symptoms more easily. Unstable angina is another form of angina. It occurs suddenly and gets worse over time. It may eventually lead to a heart attack. Though stable angina is less serious than unstable angina, it can be painful and uncomfortable