most of the patients imagine that chest pain is not sign of heart attack. but, may be pain is not sign of heart attack. pain source may be from pulmonary, stomach, intestinal, psychologic or musculoskeletal problems. from these factors, when two or more factors combine to each other, similar signs are happen. all of these factors harden diagnosis of chest pain reason. only with separation of pe...

The state of art in concurrent exception handling and resolution is discussed and a brief outline of all research in this area given. Our intention is to demonstrate that exception resolution is a very useful concept which should be used to facilitate joint forward error recovery in concurrent and distributed systems. To do this, several new arguments are considered. We regard resolution as rea...