[Acute chest pain].

Acute chest pain is the leading cause of hospital admissions worldwide and absorbs extensive financial and hospital resources for diagnosis and management. A missed diagnosis of acute myocardial infarction is still associated with a poor outcome and represents one of the most common reasons for lawsuits in the USA. The present article gives a summary on the features of cardiac and non-cardiac chest pain, provides an overview of diagnostic algorithms, and points out the important differential diagnoses.