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Stroke volume indexAortic stenosisTranscatheter aortic valve replacement (TAVR)MortalityLeft ventricular systolic dysfunction in patients with severe aortic stenosis (AS) may result in low transvalvular gradients and underestimation of AS severity. A low-flow state may occur with reduced LVEF. Little is...
E.heartrate×strokevolume/体表面积 相关知识点: 试题来源: 解析 E 心指数(Cardiac Index)的定义为心输出量(Cardiac Output, CO)除以体表面积(BSA),即 **CI = CO / BSA**。由于心输出量 **CO = 心率(HR)× 每搏输出量(SV)**,代入公式可得 **CI = (HR × SV) / BSA**。 逐项分析: - *...
Stroke volume (SV) and cardiac output (CO) are basic hemodynamic parameters which aid in targeting organ perfusion and oxygen delivery in critically ill patients with hemodynamic instability. While there are several methods for obtaining this data, the u
14. Fink JN, Selim MH, Kumar S, et al: Is the association of National Institutes of Health Stroke Scale scores and acute magnetic resonance imaging stroke volume equal for pa- tients with right- and left-hemisphere ischemic stroke? Stroke 2002;33:954-8 ...
This study investigated different methods of scaling submaximal cardiac output (Q) and stroke volume (SV) to best normalize for body size (body surface area [BSA], height [Ht], weight [Wt], and fat-free mass [FFM]). Q and SV were measured at both an absolute (50 W) and a relative...
Stroke volume can either be measured directly or estimated using the analysis of the arterial pressure waveform. Alternatively, pulse pressure variations can be calculated. However, these index are sensitive to tidal volume. During mechanical ventilation with low tidal volumes, the ventilatory-induced ...
Cardiac index 等于:( ) A. stroke volume ×体表面积 B. stroke volume / 体表面积 C. cardiac output ×体表面积 D. heart rate × stroke volume ×体表面积 E. heart rate × strokevolume/体表面积 相关知识点: 试题来源: 解析 A.stroke volume ×体表面积 ...
Journal Impact Factor 3.8 (2023) 5-year Journal Impact Factor 5.1 (2023) Submission to first decision (median) 4 days Downloads 437.3k (2024) Latest issue June 2025Volume 16, Issue 3 View all volumes and issues ADAMTS- 1 rs402007 Polymorphism Modulates Carotid Plaque Vulnerability and Atorvast...
Nature Reviews Neurology volume 17, pages 415–432 (2021)Cite this article 3029 Accesses 16 Altmetric Metrics details Abstract Most cases of hemiparetic cerebral palsy are caused by perinatal stroke, resulting in lifelong disability for millions of people. However, our understanding of how the mot...