https://www.selleckchem.com/pr....oducts/bay-11-7085.h
Aim Although pulse pressure variation is a good predictor of fluid responsiveness, its measurement is invasive. Therefore, a technically simple, non-invasive method is needed for evaluating circulatory status to prevent fluid loading and optimize hemodynamic status. We focused in the pulse-wave transit time (PWTT) defined as the time interval between electrocardiogram R wave to plethysmograph upstroke, which has been recently introduced to non-invasively assess cardiovascular response. In the present study, we evaluated the efficacy
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