lesson 2; note reviewer

• It is a delicate instrument used to analyze heart activity. Electrical waves, impulses formed in the heart, travel to the instrument through wires attached to the patient.

  Electrocardiograph (ECG)
• This Vasodilators improve blood flow, thus supplying more oxygen to the heart.

  Drug therapy
• Coronary bypass surgery is a common operation for improving blood supply to the heart.

  Heart Surgery
• It is an implanted electronic device that can inserted under the skin of the abdomen that supply the electrical stimulus needed to keep the heart beating at the proper rate.

  Artificial pacemaker