Cardiac:
Coronary Artery Disease
Aortic Valvular Disease
Mitral Valve Prolapse
Pulmonary Hypertension
Idiopathic hypertrophic subaortic stenosis
Pulmonary
Pulmonary Embolism
Pneumonia
Pleuritis
Pneumothorax
Emotional
Anxiety
Depression
Vascular
Aortic Dissection
Neural
Herpes Zoster
Musculoskeletal
Costochondritis
Arthritis
Muscular Spasm
Bone Tumor
Gastrointestinal
Ulcer Disease
Bowel Disease
Hiatal Hernia
Pancreatitis
Cholecystitis