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
Pleuritis<unk> 
Pneumonia
Rib fracture
Stable angina
Thoracic outlet syndrome
Valvular heart disease
Muscle sprain
Psychologic / Somatic Chest Pain
Spinal Root Compression
Tumor
Airway/Pulmonary
Bronchial injury
Diaphragmatic trauma
Hemothorax<unk> 
Pulmonary contusion
Tracheal injury
Trachobronchial injury
Traumatic pneumothorax
Tension pneumothorax
Cardiac/Vascular
Cardiac injury
Blunt cardiac injury
Cardiac contusion
Commotio cordis
Penetrating cardiac injury
Cardiac tamponade
Traumatic aortic transection
Musculoskeletal
Clavicle fracture
Clavicle fracture (peds)
Rib fracture
Flail chest
Scapular fracture
Scapulothoracic dissociation
Sternoclavicular dislocation
Sternum fracture
Thoracic and lumbar fractures and dislocations
Other
Esophageal injury or Perforation<unk> 
Pneumopericardium
Traumatic asphyxia
Bronchial injury
Diaphragmatic trauma
Hemothorax<unk> 
Pulmonary contusion
Tracheal injury
Trachobronchial injury
Traumatic pneumothorax
Tension pneumothorax
Tension pneumothorax
Cardiac injury
Blunt cardiac injury
Cardiac contusion
Commotio cordis
Penetrating cardiac injury
Cardiac tamponade
Traumatic aortic transection
Blunt cardiac injury
Cardiac contusion
Commotio cordis
Penetrating cardiac injury
Cardiac tamponade
Cardiac contusion
Commotio cordis
Clavicle fracture
Clavicle fracture (peds)
Rib fracture
Flail chest
Scapular fracture
Scapulothoracic dissociation
Sternoclavicular dislocation
Sternum fracture
Thoracic and lumbar fractures and dislocations
Clavicle fracture (peds)
Flail chest
Esophageal injury or Perforation<unk> 
Pneumopericardium
Traumatic asphyxia
Pneumomediastinum
Acute coronary syndromes 
Hemothorax
STEMI
Chylothorax
Non-STEMI
Pneumopericardium
Unstable angina