Q: Given a passage and a query based on the passage, generate an unambiguous, concise and simple answer to the query from information in the passage. Note that the answer may not be present in exact form.
Many people don't know the difference between cardiac arrest and a heart attack or fainting spell. A person in cardiac arrest doesn't breathe, doesn't have a pulse, and can't respond to you. Someone having a heart attack usually is conscious and breathing, has a pulse, and can answer your questions. Respond. Here's what you should do if you witness someone go into cardiac arrest: Call 911 right away, or have someone else do it. What happens in cardiac arrest. 1 Once the usual blood circulation stops, oxygen delivery to all vital organs is also stopped. 2 The pulse that is usually seen in the carotid artery in the neck as well in the wrists and ankles is lacking. 3 Cardiac arrest may lead to sudden cardiac death or SCD. If you survive a cardiac arrest, your doctor may start you on one or more treatments to reduce the risk of another attack. Medication can lower high blood pressure and cholesterol. Surgery can repair damaged blood vessels or heart valves. A previous cardiac arrest or heart attack; A family history of cardiac arrest or heart disease What to Do. With quick action, you can survive sudden cardiac arrest. CPR needs to begin immediately, and treatment with an automated external defibrillator within a few minutes. The pre-participation athletic physical examination is a useful tool to screen children andadolescents for their risk of sudden cardiac arrest. Commotio cordis is a situation in which the heart stops when the chest is hit by an object. Some are in-person courses; others are online. Many local departments of public health also provide CPR training, including "friends and family" classes for people close to someone at risk of cardiac arrest. The investment of time and effort to learn CPR is small. The potential payoff saving a life is huge. How common is Sudden Cardiac Arrest? Sudden Cardiac Arrest is a leading cause of death in the U.S. It affects more than 356,000 adults (356,461 EMS-assessed individuals) outside hospitals each year. Does Sudden Cardiac Arrest mostly affect the elderly? No. While the average Sudden Cardiac Arrest victim is 60-years-old, SCA affects people of all ageseven children and teens. For People Who Have No Known Risk Factors for Sudden Cardiac Arrest CHD seems to be the cause of most SCAs in adults. CHD also is a major risk factor for angina (chest pain or discomfort) and heart attack, and it contributes to other heart problems. Some people choose to avoid aggressive measures at the end of life. A do not resuscitate order (DNR) in the form of an advance health care directive makes it clear that in the event of cardiac arrest, the person does not wish to receive cardiopulmonary resuscitation. 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. Query: how does cardiac arrest impact a person
A:
A person in cardiac arrest doesn't breathe, doesn't have a pulse, and can't respond to someone.