23 Septal Wall MI • The patient with a septal wall MI is at increased risk for developing a ventricular septal defect. • ECG changes are present in leads V1 and V 2 . • The left anterior descending artery also supplies blood to the ventericular septum.
Anterio Septal Wall MI
25 Lateral Wall MI • A lateral wall MI is usually caused by a blockage in the left circumflex artery and shows characterstic changes in to the left lateral leads I, aVL, and V5 to V6. • The type of infraction typically causes premature ventricylar contractions and varying degrees of heart block. A lateral MI usually accompanies an anterior or inferior MI.
Inferior wall MI
Cardiac Surgeries • Repair of valves • Blockages of Coronary Arteries • Heart Transplants • Repair of congenital Heart Defects
Review of Coronary system
Angina Class • Class I : angina on strenuous exertion • Class II: angina on walking and climbing stairs rapidly. • Class III: Angina on walking one or two level blocks. • Class IV: angina on any physical activity and at rest
Types of CABG • Traditional Coronary Artery Bypass Grafting • Off-Pump Coronary Artery Bypass Grafting • Minimally Invasive Direct Coronary Artery Bypass Grafting
Conduit classification Arterial Vs. Venous graft Age Life expectancy Patency Operative risk Emergent/ elective procedure
Nursing care • Patient background (age, sex) • Type of operation (CABG, valve, elective vs. urgent etc) • Indications for operation • Pre-operative cath report (vessels involved, LVEF) • Success of operation (completely or incompletely revascularized, difficulties, complications) • CPB time and aortic cross-clamp time
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- Fall '19