Overall chest pain is responsible for an estimated 6% of all emergency department visits in the United States and is the most common reason for hospital admission. Chest pain is also very common in primary care clinics, representing 1-3% of all visits. The rate of emergency department visits in the US for chest pain decreased 10% from 1999 to 2008. but a subsequent increase of 13% was seen from 2006 to 2011. Less than 20% of all cases of chest pain admissions are found to be due to coronary artery disease. The rate of chest pain as a symptom of acute coronary syndrome varies among populations based upon age, sex, and previous medical conditions. In general, women are more likely than men to present without chest pain (49% vs. 38%) in cases of myocardial infarction. References


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It has been famous in 1964, under the trade name Vanquish by Sterling Drug, which after a series of mergers and acquisitions became a unit of Bayer AG.In Germany, it is sold as dolomo, Dolopyrin AL, HA-Tabletten, Melabon K, Neuralgin, ratiopyrin, Thomapyrin Classic, Thomapyrin Intensiv, in Austria as Thomapyrin, and InfluASS, in Israel as Acamol Focus, Paramol Target and Exidol, in Romania as Antinevralgic P  and Antinevralgic Forte, and in Russia, Belarus and Eastern Europe as Citramon. == References ==