Hx: Chest pain (Tight/Burning, Radiates to epigastric/upper extremities, Assoc with N/V/SOB/ Sweating, >30mins). Dyspnea. Belching, N/V, Indigestion, Diaphoresis, Dizziness, Lightheaded, Clamminess, Fatigue. Risk factors: Age, Male, DM, HTN, Hyperlipidemia, Smoking, Hx of coronary disease. Older pts/Diabetics/Women: May not have chest pain.