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Presentation/PPT
27/08/2022
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Investigate normal changes of aging related to the heart.
Part One: Prepare an educational pamphlet describing these changes.
Changes in the heart and the blood vessels typically occur with changes in age. These changes occur due to modifiable factors which, when not treated, can cause heart disease. The human heart has several structural components that help pump blood to several body parts without being interrupted. Blood flow is moved throughout the arteries to the capillaries and back to the heart. Capillaries are the sites where blood gives out oxygen to the body tissues (Obas and Vasan, 2018).
In the aging population, specific changes occur in the body. Some heart systems, such as the pacemakers, lose their cells, making the heart have a slightly slow pumping blood rate. The heart’s size might increase, especially in the left ventricles, because the heart vesicles thicken up; hence, the chambers holding blood can no longer have more blood. The ECG of the aged tends to be more different than the youth (Eskov et al., 2019). The atrial rhythms are more common in the aged than the youth; hence this can cause a rise in heart disease. More so, most aged people might experience having specific pigment lipofuscin because the valves that offer control of blood flow direction thicken up and become stiffer.
The blood vessel receptors that monitor the blood pressure, the baron receptors, become less sensitive; thus, this illustrates why most of the aged have orthostatic hypotension. The capillary walls thicken up slightly; hence, this shows that there will be a reduced nutrient and waste exchange. Additionally, the main artery that carries blood from the heart becomes thicker, less flexible, and can also reduce its flexibility (Obas and Vasan, 2018). This also suggests that other body organs such as the red blood cells that transport oxygen and the white body cells concerned with providing protective measures to the aged might decrease function as they tend to be synthesized at a slow rate.
References
Eskov, V. V., Filatova, O. E., Bashkanova, Y. V., Filatova, D. Y., & Ilyashenko, L. K. (2019). Age-related changes in heart rate variability among residents of The Russian North. Ekologiya cheloveka (Human Ecology), (2), 21-26. Retrieved from: https://hum-ecol.ru/1728-0869/article/view/16589
Obas, V., & Vasan, R. S. (2018). The aging heart. Clinical Science, 132(13), 1367-1382. Retrieved from: https://portlandpress.com/clinsci/article-abstract/132/13/1367/71946
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