Sorry your question doesn't make sense. The standard view is a heart attack is a myocardial infarction. An area of the heart is deprived of blood flow and O2. There are a number of live threatening arrhythmia's, they are not called heart attacks. It could be SVT, Vfib, Afib, etc. That is what they are called.
As far as surviving a heart attack, It depends on where it is and how big and how long and the kind of treatment you receive.