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.
1 The following are some of the most common causes of shoulder blade pain. 2  Keep in mind that occasional pain scapular pain is a common problem that usually resolves within a day or so. 3  However, unrelenting pain can mean a sign of something more serious. 4  Overuse of Shoulder Muscles. Nerve Impingement. 2  If you are dealing with pain in your shoulder that radiates down your arm, you might have a nerve injury. 3  A damaged or pinched nerve in your shoulder or neck can cause intense scapular pain. 4  You might also feel a burning sensation in your fingers or hands.