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 is the most common form of angina, and it typically occurs with exertion and goes away with rest. If chest discomfort is a new symptom for you, it's important to see your doctor to find out what's causing your chest pain and to get proper treatment.ome people with angina symptoms describe angina as feeling like a vise is squeezing their chest or feeling like a heavy weight has been placed on their chest. For others, it may feel like indigestion. The severity, duration and type of angina can vary.