<s>[INST] Are heart attacks, heart failure, and cardiac arrest the same? [/INST] Heart Attack: Blockage of the blood vessels supplying blood to the heart.
Heart Failure: The inability of the heart to pump blood around the body.
Cardiac Arrest: Heart stops. No blood circulation in the body. No pulse is felt. Source: NARAYANA HEALTH . Link: https://www.narayanahealth.org/blog/common-patient-questions-related-to-heart-failure/. Field: Cardiovascular. Disease: Heart Failure </s>