NURS 245 Lecture Notes - Lecture 15: Vulnerable Plaque, Coronary Artery Bypass Surgery, Coronary Circulation
Document Summary
5% - ventricular arrhythmias, leg wound infection, myocardial infarction, respiratory failure. 3% - sternal wound infection, re-op for mediastinal bleeding. Potassium is used in coronary artery bypass procedure. 1% of surgeries are done off the pump. Myocardial infarction - the tissue has died. In arteries w/ minimal or moderate blockage. Young soft plaques with more cholesterol may be more unstable. Inflammation makes plaques more vulnerable to rupture. Women more likely to have atypical pain or little pain. Take aspirin within 12 hours of pain to slow thrombus formation. If they go to a big hospital. When a patient is experiencing a heart attack, they may have pain: Radiating down the left arm (referred pain) 6 day old infarction 6 weeks for healing by scarring. Morphine (reduce pain) and as a marvelous vasodilator and analgesic. Only seeing an abnormal qrs complication of a heart attack. Ventricles excited at the same time just excitation and no work.
