Exam III Review Lisa What are the two types of preload? Atrial and ventricular. What number would you look at to measure right-sides preload, where would you look? Left heart? How will you decrease preload? What’s the first medication you think of? Diuretics. How do they decrease preload? What’s the second way? Vasodialation. Which vessels are you dilating to affect preload? Veins. What’s happening to the volume in the second case? Redistributing volume. What types of shock: Hemmorhage: Have they reduced their preload? Yes. Where did the volume go? Neurogenic shock: Where did their volume go? They loose their motor tone, so they vasodilate. So where is their volume? In the body. What about septic shock. What happens to their volume? Why do they get hypotensive? Where does their vascular volume go? It goes to the tissues (third spacing, to abdomen, edema). So when you think about the volume in the patient, you want to think about where it’s going. So when you teach a patient how will you teach them to monitor their preload at home?
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