| A | B |
| acute | sharp, severe: having a rapid onset |
| angina | chest pain and feeling of suffication |
| palpitation | sensation of rapid or irregular beating of the heart |
| cardiopulmonary resuscitation | procedure of providing oxygen and chest compressions to a victim whose heart has stopped beating |
| myocardial infarction | heart attack; a reductionin the supply of blood to the heart resulting in damage to the muscle of the heart |
| fainting | partial or complete loss of consciousness caused by a temporary reduction in the supply of blood to the brain |
| cardiac arrest | sudden and unexpected stoppage of heart action |
| diaphoresis | profuse or excessive perspiration, or sweating |
| ventilation | process of breathing |
| automated external defibrillator | machine used to assess the heart rhythm and provide an electric shock to restore normal heart rhythm |
| CAB | CPR sequence of compressions, airway and breathing |
| ambu bag | bag mask device |
| foreign-body airway obstruction | chokin |