What happens during a heart attack? - Krishna Sudhir

What is the primary cause of death worldwide, related to the heart and blood vessels?

• Congenital heart disease

• Arrhythmia

• Cardiovascular disease

• High blood pressure

What essential substance does the heart muscle require to function correctly?

• Blood

• Oxygen

• Nutrients

• Water

What happens when fatty deposits in the coronary arteries rupture and a blood clot forms, completely blocking the artery?

• The heart muscle becomes stronger.

• Blood flow increases to the heart.

• Oxygen-starved heart cells begin to die.

• The artery expands to allow more blood.

Which of the following is a common symptom of a heart attack?

• Sudden headache

• Crushing chest pain

• Tingling in the right leg

• Blurred vision