This chest tightness can change from day to day, and/or from moment to moment. All of the above combinations and variations are common. This type of chest tightness is commonly misconstrued as heart problems or the signs of a heart attack.
Cardiac arrest, also known as cardiopulmonary arrest or circulatory arrest, is a sudden stop in effective blood circulation due to the failure of the heart to contract effectively or at all. Medical personnel may refer to an unexpected cardiac arrest as a sudden cardiac arrest (SCA).
Overview. Cardiopulmonary resuscitation (CPR) is an emergency procedure used to provide breathing and blood circulation for someone experiencing cardiac arrest. There are different CPR procedures for adults and children; this article describes CPR for adults.