Keywords: heart attack, cardiac arrest
Sign Definition
As a Noun
                                            1.  A sudden sickness in which your heart starts to beat irregularly or fails to pump blood properly, so that it causes you a lot of pain. People often die because of this. English = heart attack. Formal medical English = cardiac arrest.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To have or suffer a heart attack; to have or suffer a cardiac arrest.