Chest pain is one of the most important emergencies; therefore it is necessary to evaluate chest pain thoroughly. It could be very serious as myocardial infarction (MI) or just muscular pain. Always think first and rule out life threatening conditions such as myocardial infarction, pneumothorax and pulmonary embolism. History is very important, ask the patient whether it is acute pain, recurrent pain, episodic pain, or persistent pain even for days.
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