Ventricle

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    Fetal circulation differs greatly from that of a newborn heart. Although, outwardly appearances may seem similar. By taking an internal look we may be able to distinguish four adaptations that fetal hearts undergo while in utero. First, we must understand that the fetus receives all blood and nutrients from the parental placenta. The fetus receives this blood from the placenta through the umbilical vein. This is the first adaptation that we see in the fetal cardiovascular circulatory system.…

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    Everyone knows regular, daily exercise is beneficial to the heart. It helps reduce the risk of heart disease, maintains a healthy body weight, lowers blood pressure, and improves cholesterol. A difference of appearance can be identified between the hearts of people who exercise routinely and those of highly trained athletes. Athletic hearts undergo cardiac remodeling of chambers and physiological changes as a result of extreme conditions placed on the heart over a long period of time. The heart…

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    Mechanical Ventilation and the Effects on the Cardiopulmonary and Renal Systems Amanda K. Godshall West Chester University Abstract The important objective of this paper is to explore mechanical ventilation and the many effects it has on a patient’s organ systems. The cardiovascular system can be affected along with the pulmonary and renal systems. Cardiovascular side effects depend upon the previous underlying cardiopulmonary status of each patient. Conditions pertaining to…

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    Congestive Heart Failure

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    adequate blood in order to meet the need of the body for blood and oxygen (AHA, 2014). There are two types of Heart failure namely Left sided and right sided heart failure. According to Moore & Roth (2015), left-sided heart failure occurs when the left ventricle failed to pump proficiently. It prevents the body from receiving adequate oxygen-rich blood. The blood backs up into the lungs causing fluid to build up and causes shortness of breath. ventricular septal defect cardiomyopathy, anterior…

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    on preload would depend on what the underlying cause of the left-side of the heart is. If there is an issue with the mitral valve, then preload would be decreased due to the impaired ability of the left atrium to push all the blood into the left ventricle. The afterload would increase (hypertension). Because he had an MI years prior, his heart’s contractility is already lower than normal; left-sided heart failure weakens the wall even more so (and is usually visible as an enlarged heart). 4.…

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    Introduction: The heart rate of an animal can be used as an indicator to identify when a stimulus evokes a reaction from the animal. Specifically in the case of humans’, there tends to be the cognitive ability to physically withhold a reaction from a stimulus and mask the involuntary reaction. However, the heart rate reacts immediately after a stimulus, and is not reigned in or controlled cognitively, so could the heart potentially be a true indicator of an individuals reaction to a stimulus?…

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    Congestive Heart Failure The heart is fundamentally a blood pump. It pumps blood from the right side of the heart to the lungs to pick up oxygen. The oxygenated blood returns to the left side of the heart. The left side of the heart then pumps blood into the circulatory system of blood vessels that carry blood throughout the body. Heart failure is an illness in which the pumping action of the heart becomes less and less powerful. When this happens, blood does not move efficiently through the…

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    Physiology Lab Summary

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    the atrial systole, the ventricles have a maximum amount of blood that each can carry. The quantity of this is known as the end- diastolic volume. 4. In S2 is the occurrence of ventricular filling, when the semilunar vale closes and the AV valve opens. 5. Red Blood Cells have a protein, which is hemoglobin, oxygen binds to the hemoglobin and is transported from the lungs to the cells throughout the body.…

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    The measures that are to be taken are use of an angiotensin-converting enzyme inhibitor (ACEI) or an angiotensin II receptor blocker (ARB) for left ventricular systolic dysfunction (LVSD), left ventricle function (LVF) assessment, smoking cessation counseling, and discharge instructions. The one I personally found most important was the discharge teaching. I thought this measure was the one that could help the patient identify worsening symptoms…

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    AN ATHLETE 'S HEART Everyone knows normal daily exercise is beneficial to the heart. It helps reduce the risk of heart disease, reduces weight, lowers blood pressure, and improves cholesterol. A difference in the appearance of the heart can be seen between normal exercise and those of highly trained athletes. Athletic hearts undergo cardiac remodeling of chambers and physiological changes because the heart is working harder to pump blood to the rest of the body during extreme physical activity…

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