Pulmonary embolism
Pneumonia
Pericarditis
Myocardial infarction
Pneumothorax
Pleural effusion
Acute coronary syndromes (ACS)
STEMI
Non-STEMI
Unstable angina
Aortic dissection
Cardiac tamponade
Coronary artery dissection
Esophageal perforation (Boerhhaave's syndrome)
Pulmonary embolism
Tension pneumothorax
STEMI
Non-STEMI
Unstable angina
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<unk> 
Pneumomediastinum
Pneumonia
Rib fracture
Stable angina
Thoracic outlet syndrome
Valvular heart disease
Muscle sprain
Psychologic / Somatic Chest Pain
Spinal Root Compression
Tumor
Pleuritis
Pulmonary embolism
Pleural effusion
Pneumonia
Pulpitis
Pericarditis
Lung abscess
Myocardial infarction