Event() The default constructor is defined for cleaner code. Event(boolean isAsync) This constructor is used to explicitly declare an event as synchronous or asynchronous. isAsynchronous() Any custom event that should not by synchronized with other events must use the specific constructor.
The answer is yes, particularly if the pain comes on suddenly and is severe or if it is accompanied by chest pain or pressure in the chest. Of course, not all left arm pain signals a heart attack. The pain could be a result of a problem with the nerves in that arm, for example. However, if the pain is sudden, you should seek medical attention immediately to rule out a heart attack. Many people know that left arm pain and chest pain can signal a heart attack, but not all heart attacks have these symptoms.
Referred arm pain can be due to a heart attack. Pain radiating to the left arm is a hallmark symptom of a heart attack and may occur with the feeling of pressure or squeezing pain in the center of the chest, nausea, vomiting, sweating, irregular heart rate, and difficulty breathing.