Major cause of<unk>  pain
Diagnosis of<unk>  is given to a vast majority (10-50%) of all ED visits for<unk>  pain
Costochondritis
Inflammation of costal cartilages or sternal articulations
No localized swelling
May be triggered by wearing backpack on one shoulder
Crowing Rooster Maneuver
Patients hands placed behind their head with neck extended. Posterior traction of both abducted shoulders reproduces pain.
Tietze's syndrome
Benign, painful, localized swelling of costosternal, sternoclavciular, or costochondral joints
Associated with excessive coughing
Xiphodynia
Inflammation of xiphoid process
Precordial catch syndrome
1-2 minute lancinating pain near the cardiac apex
May occur while bending over or slouching
Sternalis syndrome
Tenderness directly over body of sternum or sternalis muscle
Lower rib pain syndromes (Rib tip syndrome, slipping rib)
Tenderness over costal margin
Can be associated with abdominal pain
Inflammation of costal cartilages or sternal articulations
No localized swelling
May be triggered by wearing backpack on one shoulder
Crowing Rooster Maneuver
Patients hands placed behind their head with neck extended. Posterior traction of both abducted shoulders reproduces pain.
Patients hands placed behind their head with neck extended. Posterior traction of both abducted shoulders reproduces pain.
Benign, painful, localized swelling of costosternal, sternoclavciular, or costochondral joints
Associated with excessive coughing
Inflammation of xiphoid process
1-2 minute lancinating pain near the cardiac apex
May occur while bending over or slouching
Tenderness directly over body of sternum or sternalis muscle
Tenderness over costal margin
Can be associated with abdominal pain
Chest wall pain
Acute coronary syndromes 
Chest pain 
STEMI
Neck pain
Non-STEMI
Hemoptysis
Unstable angina