Acute coronary syndromes (ACS)
STEMI
Non-STEMI<unk> 
Aortic dissection
Cardiac tamponade
Coronary artery dissection
Esophageal perforation (Boerhhaave's syndrome)
Pulmonary embolism
Tension pneumothorax
STEMI
Non-STEMI<unk> 
Cholecystitis
Cocaine-associated chest pain
Mediastinitis
Myocardial rupture
Myocarditis
Pancreatitis
Pericarditis
Pneumothorax
Aortic stenosis
Arthritis
Asthma exacerbation
Biliary colic
Costochondritis
Esophageal spasm
Gastroesophageal reflux disease
Herpes zoster / Postherpetic Neuralgia
Hypertrophic cardiomyopathy
Hyperventilation
Mitral valve prolapse
Panic attack
Peptic ulcer disease
Pleuritis
Pneumomediastinum
Pneumonia
Rib fracture
Stable angina
Thoracic outlet syndrome
Valvular heart disease
Muscle sprain
Psychologic / Somatic Chest Pain
Spinal Root Compression
Tumor
Unstable angina
Acute coronary syndromes 
Stable angina
STEMI
Vincent's angina
Non-STEMI
Torsades de pointes
Cocaine-associated chest pain