Varying types of pain: sharp, dull, pleuritic
Can be worsened by inspiration or coughing
Not typically associated with cardiac disease, erythema, or swelling (except Tietze's syndrome)
Positive crowing roster maneuver or horizontal arm flexion
Chest wall pain
Acute coronary syndromes 
Chest pain 
STEMI
Neck pain
Non-STEMI
Hemoptysis
Unstable angina