Cardiac arrest
Table:
Cardiac arrest
Other names	Cardiopulmonary arrest, circulatory arrest, sudden cardiac arrest (SCA), sudden cardiac death (SCD)[1]

CPR being administered during a simulation of cardiac arrest.
Specialty	Cardiology, emergency medicine
Symptoms	Loss of consciousness, abnormal or no breathing[1][2]
Usual onset	Older age[3]
Causes	Coronary artery disease, congenital heart defect, major blood loss, lack of oxygen, very low potassium, heart failure[4]
Diagnostic method	Finding no pulse[1]
Prevention	Not smoking, physical activity, maintaining a healthy weight[5]
Treatment	Cardiopulmonary resuscitation (CPR), defibrillation[6]
Prognosis	Survival rate ~ 10% (outside of hospital) 25% (in hospital)[7][8]
Frequency	13 per 10,000 people per year (outside hospital in the US)[9]

Based on the table, decide if the statement is entailed, neutral, or refuted by the data. Conclude with JSON {"answer": "YOUR ANSWER"} — nothing else.

Claim: Cardiac arrest occurs in older people when no pulse is found.

answer: entailed