You are caring for a client who had a stroke following CABG surgery. The client's family asks what caused this to happen. You respond:
1. "Stroke is usually caused by a blood clot that breaks loose and travels to the brain.".
2. "Stroke is usually caused by ruptured plaque inside the coronary artery.".
3. "Stroke is caused by heart failure.".
4. "No one knows what causes strokes.".
"Stroke is usually caused by a blood clot that breaks loose and travels to brain.".
Rationale: Stroke is usually caused by an embolus from the ascending aorta or aortic arch, which travels through the heart into the vessels leading to the brain. Plaque inside a coronary artery would travel downstream and lodge in a smaller vessel in the heart. Heart failure does not cause a stroke. Stating that no one knows what causes strokes is not a true statement; blood clots and ruptured vessels cause strokes.
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