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Biomedical Engineering: Bridging Medicine and Technology 1st Edition by Veronique Tran,Mark Saltzman
النسخة 1الرقم المعياري الدولي: 9780521840996Biomedical Engineering: Bridging Medicine and Technology 1st Edition by Veronique Tran,Mark Saltzman
النسخة 1الرقم المعياري الدولي: 9780521840996 تمرين 1
Figure 1.14 shows a mechanical artificial heart valve. If this valve opens and closes once during each cycle, or beat, of the heart, how many times will the valve need to open and close during 10 years of continuous use? Measure your own heart rate (describe how you do it) and use this rate in answering this question. 
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موثّق
The mechanical artificial heart valve is a device implanted in the heart of patients affected with diseased heart valves. Valves are integral part of heart; they evolved to perform the unidirectional flow of blood from one chamber to another chamber of heart. The natural heart valves may become dysfunctional for a variety of reasons; these conditions may require complete replacement of valves with an artificial heart valve. 
Biomedical Engineering: Bridging Medicine and Technology 1st Edition by Veronique Tran,Mark Saltzman
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