The nurse considers which information when planning care for a patient with left anterior descending (LAD) artery occlusion?
1. An occlusion in the LAD often results in death.
2. The patient may have atrial dysrhythmias.
3. Occlusion of this vessel will result in an inferior wall MI.
4. Occlusion of this vessel damages the aorta.
1
Rationale 1: The LAD supplies over 70% of the left ventricle. Destruction of this tissue can cause serious consequences, including death.
Rationale 2: The circumflex artery supplies the area of the SA node in 40% of the population. The right coronary artery supplies the SA node in 60% of the population.
Rationale 3: The inferior wall is supplied by the right coronary artery.
Rationale 4: There is no indication that occlusion of the LAD damages the aorta.
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