You’re at home studying for your upcoming anatomy and physiology testwhen your

You’re at home studying for your upcoming anatomy and physiology testwhen your phone rings. It’s your aunt, and she seems upset.”I’m so sorry to bother you,” she says, “but I’m trying to get some answers about something going on with your Uncle Sidney. Your mom told me you’re taking a class about the human body, and I thought maybe you could answer my s … or at least steer me in the right direction.””I’ll try. What’s up?””It’s your Uncle Sidney. He’s been feeling run down the past few months. At first, I just figured it was because he’s been traveling a lot with his job. But then he started saying that his heart was beating really hard, even when he was lying down. I finally convinced him to go to the doctor. He just got home and I’m confused and, frankly, kind of scared. The doctor said there was something wrong with one of the valves in his heart.””Do you remember which valve?” you ask.”Yes. The aortic valve. Sidney says the doctor called it aortic insufficiency. I think Sidney got really nervous at the thought of something wrong with his heart, and he doesn’t remember what all the doctor said. All he remembers is that there’s an issue with this aortic valve, and that the doctor said something about preload. Do you know what that is?””I know a little bit about it,” you respond.”Well, can you explain it to me? What is preload, anyway? And, for that matter, what’s aortic insufficiency and what does it have to do with preload? Is that why his heart is pounding? Is this going to get better on its own?” s:1. Explain the flow of blood through the heart and the purpose of the aortic valve.2. Explain preload and contractility, particularly as it relates to aortic insufficiency.3. What are the symptoms one might expect to see from a backflow of blood into the left ventricle?4. What is the possible outcome of aortic insufficiency over time? Health Science Science Nursing NURS 104 Share EmailCopy link Comments (0)

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