MODEL RELEASED. Chest pains. Male patient describes chest pains during a consultation with his general practice (GP) doctor. He may have strained a muscle, have bruising or a broken rib. Rarer causes include heart disorders such as angina, viral infections such as shingles, lung cancer, regurgitation of stomach acid (acid reflux), various types of inflammation and extreme anxiety. The GP is writing notes to add to the patient's medical records.