SN instructed patient and caregiver that myocardial infarction and angina pectoris are potential complications of Coronary Artery Disease (CAD). Symptoms for myocardial infarction tightness or pain in the chest, neck, back, or arms. Angina symptoms squeezing, pressure, heaviness, tightness, or pain in the chest. Call your doctor immediately for any symptoms. Both patient and caregiver verbalized understanding.