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).
The heartâs electrical activity becomes chaotic, and it canât pump blood to the rest of the body. Conditions that can trigger sudden cardiac arrest include: Coronary artery disease . This is the most common cause of sudden cardiac arrest in people older than 35. Cardiomyopathy . When you have this condition, your heart muscle becomes enlarged or thick, so it's weakened.