Mitral valve

Everyday our bodies need oxygen and different nutrients to function properly but in order to maintain that constancy, our blood has to be constantly moving. And in order for our cells to get transported and get everything they need, the heart needs to be beating. The cardiovascular system makes sure the levels of substances in the blood is constant by transporting these substances as circumstances change. The heart is located in the lower part of the mediastinum between the lungs. Most…

Cardiomyopathy is a disease of the heart muscle. In cardiomyopathy, the heart muscle becomes enlarged and rigid. As this disease worsens, the heart becomes weaker and is less able to pump enough of blood for the body. Cardiomyopathy can be inherited from your parents or close relatives, due to a change in some of the genes in heart muscle proteins. It can also be acquired over time as a result of smoking, diabetes, high blood pressure or some other disease or condition. Cardiomyopathy can lead…

now in the right side of the heart, literally, the right atrium. The SA node’s action potential fires again and through the tricuspid valve we go. We’re now in the right ventricle. This one is roomy like the left so we have to wait with the AV node until the ventricle fills up some more. Finally! The AV bundle fires and we pump through the pulmonary semilunar valve into the pulmonary trunk and out the pulmonary arteries. We are on our way back to the lungs now. It gets a little small again as we…

ENDOCRINAL GLANDS Patients with anorexia nervosa have a number of abnormalities in endocrine function. Secretion rates of cortisol are generally elevated,and metabolic clearance rates are decreased, with the result that the half-life of cortisol may be prolonged in malnourished individuals. The clinical significance of this elevated cortisol level is unknown, but it may be involved with loss of bone density in anorexia nervosa(Lo Sauro et al., 2008). Alterations in growth hormone are also…

blood enters the right atrium through the vena cava, is passed through the tricuspid valve, passes through the right ventricle to the pulmonary artery through the pulmonary valve. Blood is then oxygenated in the lungs and passed back to the heart through the pulmonary vein before passing through the left atrium to the left ventricle through the mitral valve. The oxygenated blood is then passed through the aortic valve to the aorta…

Alkaptonuria is a metabolic disorder which can be identified by the accumulation of hemogenetistic acid in the body. This leads to dark urine, pigmentation of connective tissues, arthritis in the spine and joints, and the destruction of the cardiac valves. Scientist 1: Sir Archibald Edward Garrod (1857-1936) Sir Archibald Edward Garrod, born on November 25 1857 from London, United Kingdom. He was an English physician who explored the field of inborn errors of metabolism. When Garrod was…

Acute heart failure may occur in instances such as MI whilst compensated heart failure customarily develops steadily, for example, in patients with degenerative valve diseases. Heart failure can also be categorised depending on the side of the heart affected. Reduced cardiac output from the left atrium and ventricle are termed Left-sided heart failure whereas right sided heart failure involves the right atrium…

Both of my cousins died suddenly at the ages of eight and eighteen from Mitral Valve Prolapse and Hypertrophic Cardiomyopathy heart abnormalities. Death is one of the most challenging thing for anyone to endure. Ten years ago, death struck my family hard, not once, but twice on two different occasions. I was young when they died, but their death’s had a tremendous effect on my life. Experiecing these deaths at a young age, has taught me how to live life to the fullest and not to take the…

pulmonary vascular markings are usually present. ECG reveals atrial enlargement, right ventricular hypertrophy, and an incomplete right bundle branch blood are observed. Echocardiogram shows dilation of the ventricles, septal defects and details of valve malformation, while cardiac catheterization shows increased oxygen in the right atrium and a higher pressure in the right ventricle and/or pulmonary artery (Ball & Bindler, 2008). Furthermore, UMMC (2016) stated that an ultrasound of the heart…

Introduction The human heart contains various parts. All the parts work together to perform different functions. Some of the functions include contraction, relaxation, receiving, distributing, opening and closing of valves. It is important for the various parts to work together for us to be able to breathe and perform our daily activities. Imagine when one part has a malfunction, how it could affect the others and the human body as a whole. In addition, science and medicine has worked so hard…