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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 the decreased successful cardiac output . Aortic regurgitation occurs from either damage to the aortic valve leaflets or dilation of the aortic annulus (Otto, 2014). Symptoms are generally radical and usually exacerbated by a racing heart palpitations,…

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    Heart Failure Lab Report

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    help resolve some of the malfunctions of the human heart. One of the most popular devices recently invented to support one of the functions of the heart is the Left Ventricle Assist Device. What is Left…

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    developed from birth though symptoms of the condition may not be present until adulthood. During the time of birth the closure of the ductus arteriosus (DA) should occur about 15 hours after birth though functional closure may be delayed for up to 3 months of life. Thus, an open DA is the functional indicator of congenital heart disease. The primitive heart tube undergoes adjustments in the first trimester to become the heart. The heart is made up of four chambers: the right atrium,…

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    Introduction Mitral valve regurgitation, also called mitral regurgitation, is a condition in which blood leaks from the mitral valve in the heart. The mitral valve is located between the upper left chamber of the heart (left atrium) and the lower left chamber of the heart (left ventricle). Normally, this valve opens when the atrium pumps blood into the ventricle, and it closes when the ventricle pumps blood out to the body. Mitral valve regurgitation happens when the mitral valve does not close…

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    Hypertrophic cardiomyopathy (HCM) is the most common form of feline cardiomyopathies. This disease affects the cardiovascular system. The heart has many important anatomical features. One of these being the ventricle of the heart. The ventricle of the heart is the main heart muscle that pumps blood. When HCM occurs the left ventricle within the heart thickens. When the thickening of the ventricle occurs there will be a decreased ventricular chamber volume, and abnormal ventricular relaxation.…

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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…

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    Mechanical heart valves provide their greatest benefit by replacing a fatigued natural valve with a prosthesis that was specifically engineered for the variety of patients who experience heart valve disease, thus relieving the patient of most associated conditions and improving their quality of life. However, throughout the last half century there have been many cases of structural failure and induced conditions such as thrombosis due to the materials used in these devices. Through the many case…

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    The Edwards SAPIEN heart valve is a collapsible aortic heart valve that can be introduced into the body via a catheter-based delivery system. The valve is designed to replace a patient’s diseased aortic valve without traditional open-heart surgery and while the heart continues to beat. The valve can be implanted in patients using the fransfemoral technique meaning delivered thorough the femoral artery or trans-apical technique meaning delivered via a small incision between the ribs. Prior to…

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    Heart murmurs are constantly diagnosed in people, but what do heart murmurs do? Does it harm the host? It all depends on the type. From there, we dig deeper. According to http://www.madsci.org/posts/archives/1999-08/933633819.Me.r.html, Heart murmur is the sound that is made because the blood passing through the heart’s valves and chambers make a sound. Sometimes, the valve doesn’t open entirely, and the blood goes back to the chamber it just left. When that happens, it makes a swishing noise,…

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    Mechanical Heart valves are designed to mimic natural heart valves as closely as possible. The valve is implanted in the heart of the patient where the damaged heart valve was removed. Artificial heart valves allows for correct blood flow through the heart by opening and closing with each heartbeat (St Jude Medical, n.d.). The Medtronic mechanical heart valve contains two leaflets (Medtronic, 2011). The pressure in the heart causes the leaflets to open and close, allowing blood flow in only…

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