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).
Cardiac arrest involves the cessation of the heart muscle pumping blood through the body. If the body doesn't pump blood through the body, the other organs are deprived of oxygen including the brain resulting in irreversible brain injury. Learn what happens during cardiac arrest, treatment and diagnosis.