Sometimes a person in cardiac arrest may make , , or type breathing sounds for a couple of minutes called "agonal respiration". do not be confused by this abnormal type of breathing. if a person is unresponsive (doesn't respond to shouts or shakes) and not (or is breathing abnormally) then call 911 and begin .

Cardiopulmonary arrest (AC) is defined as the sudden interruption of circulation and ventilation. Reviews every 5 years, the recommendations on CA are shared by all professionals and available online at the American Heart Association (AHA) website.

For the first blank, the answer is noisy (gasping, snoring or grunting).
For the second blank, the answer is: if the person is unresponsive and not breathing.
For the third blank, the right answer is: Begin CPR (Cardiopulmonary resuscitation).

Preferably, everyone should know how to try to rescue someone with a cardiac arrest, because witnessing this situation could happen to anyone, not only doctors.

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