You are caring for a patient who has been admitted to the coronary care unit for chest pain unrelieved by nitroglycerin and to rule out myocardial infarction. He is placed on a continuous electrocardiogram (ECG) monitor, and there are orders for him to have 12-lead ECGs every 12 hours for the next 48 hours. a. Discuss the type of information that can be yielded from continuous monitoring ECG versus a 12-lead ECG. b. What factors should you consider in selecting the electrode placement and lead (electrical view of the heart) for continuous ECG monitoring? c. What is the purpose of ordering 12-lead ECGs every 12 hours in this patient?