Ventricle

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    Single Ventricle Defects WHAT ARE SINGLE VENTRICLE DEFECTS? Single ventricle defects are heart problems that you were born with (congenital heart defects). Normally the heart has two pumping chambers. These are the right and left ventricles. The right ventricle pumps blood to the lungs to get oxygen. After blood returns from the lungs, the left ventricle pumps it out to the body. Single ventricle defects come in many forms. They can involve one or more valves in your heart and a ventricle that does not pump effectively In almost all cases, a single ventricle defect means blood flow to your body or to your lungs is less than it should be. WHAT ARE THE SYMPTOMS OF SINGLE VENTRICLE DEFECTS? You may continue to have some symptoms of your heart defect as an adult even if you had surgery to correct your heart defect as an infant or child. Your symptoms depend on the type of defect you were born with. If you have had surgery, the success of your surgery also makes a difference. Your symptoms may include:…

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    The blood is moved through the pulmonary capillaries and alveoli where it exchanges the CO2 with fresh O2 and then moves out of the lungs via pulmonary veins and moves out of the other chambers of the heart and to the body and once again completes the cycle. It stands to reason that due to the short distance of a trip through the pulmonary system pressure in the lungs would be less than arterial pressure. So imagine if you will that the pathways in the lungs were narrowed and the pressure…

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    Left Ventricles

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    From the subjective data collected through history taking and objective data gathered from the physical assessment of Mr Jones, the primary differential diagnosis was AR. The left ventricle in AR is typically dilated from secondary to severe volume overload, normally the left ventricle handles both the forward flow delivered from the left atria as well as the backflow of blood from the aorta. The abnormal backflow of blood leads to pathologic changes in the heart in order to compensate for…

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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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    Ventricles Case Study

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    1. Based on the information provided, the left atrium and left ventricle are not working properly due to mitral valve not working appropriately. The reason this set of valves was chosen is because in the passage, it stated that the X-Ray show an enlargement in the left atrium and left ventricle. This happen is due to inefficient cycle of blood resulting in abnormal heart sound or heart murmur. Mitral valve of the left side is misshape and less flexible. Mitral valve has a leakage and allows…

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    Natural Cardiac Pacemaker

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    During one year, the heart initiates approximately 32 million heartbeats to pump blood around the body, beating a total of 60-80 times per minute at a normal pace. It is a highly efficient organ and constantly works to keep our blood circulation going and ourselves alive. The high efficiency of the heart pumping system originates in a conductive system, which is linked to the Sinoatrial (S-A) and Atrioventricular (A-V) node. The Sinoatrial node, also known as the natural cardiac pacemaker, is…

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    Data regarding the cardiovascular system of older adults is slightly limited, due to the fact that older people are usually not included in clinical trials. However, enough research has been done to identify common physiological changes in the geriatric cardiovascular system, such as: increased heart weight; decreased number of myocardial cells with enlargement of remaining cells; increased left ventricle wall thickness; increased arterial stiffness; increased elastin levels; increased collagen…

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    Introduction / 5p- 1200w The most frequent cause of sudden cardiac death is hypertrophic cardiomyopathy (HCM), mainly in young people. It is characterized by thickening in the left ventricle (LV) wall not related to load condition such as aortic stenosis or systemic hypertension (Bing, Knott et al. 2000). It is estimated that approximately one in 500-1000 population. HCM is a complex genetic inherited cardiovascular disease caused by dominate mutation in coding of cardiac sarcomere proteins gene…

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    expected, alterations to the left ventricle are associated with athletic training. LV enlargement and increased wall thickness are typical findings among athletes. In endurance training, LV remodeling results in eccentric hypertrophy, which is an increase chamber dimension with an increase in wall thickness. Strength training results in concentric hypertrophy of the left ventricle which is described as thick walls with none or slight dilatation. Out of the two, concentric LVH is more common…

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    Congestive Heart Failure

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    Congestive Heart Failure Heart failure is a progressive and chronic condition that occurs when the heart muscle is weak and unable to pump 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…

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