Human Body Continuously Need Blood Supply Essay - 965 Words

Human body continuously need blood supply to the cell in order to deliver oxygen and nutrient to the cells and carrying out carbon dioxide out of the cell. In order to have good perfusion in tissue, a person has to have good cardiac health and patent vessels. Edema also affect tissue perfusion. There are many reasons that disturbed the normal flow of blood like ECG rhythm, congestive heart failure, hypertension, gestational hypertension, mitral valve prolapse, coronary artery disease, and peripheral vascular disease, which are also the exemplars of perfusion. There are many risk factors that can be modified to prevent the perfusion problem. Blood pressure greater than 140/90 is known as hypertension. Excessive sodium intake, hyperlipidemia, obesity, diabetes, extreme tobacco and alcohol use, over activity of sympathetic nervous system, and over production of sodium retaining hormones and vasoconstriction substances are major contributing factors of hypertension. Heredity, age, and gender are also the risk factors for hypertension (Bucher Dirksen, 2014). Hypertension is one of the most underlying cause of impaired perfusion. High blood pressure for long period of time can shore up smooth muscles of artery as a result of building up the strength through hypertrophy and hyperplasia, which results in decrease size of arterial lumen. In older adult, the wall of artery become thick and hard due to above contributing factors that I mention. This alter vasomotor tone and bloodShow MoreRelatedHow Your Heart Works1102 Words   |  5 PagesHow Your Heart Works [pic] Your heart is a pump. It keeps blood moving around your body. The blood delivers oxygen and nutrients to all parts of your body, and carries away unwanted carbon dioxide and other waste products. The heart has four chambers -  two on the left side and two on the right. The two upper chambers are called the atria, and the two lower chambers are called the ventricles. 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