نتایج جستجو برای: cardiac output estimation
تعداد نتایج: 698528 فیلتر نتایج به سال:
Cardiac output is the amount of blood the heart pumps in 1 minute, and it is dependent on the heart rate, contractility, preload, and afterload. Understanding of the applicability and practical relevance of each of these four components is important when interpreting cardiac output values. In the present article, we use a simple analogy comparing cardiac output with the speed of a bicycle to he...
Serial measurements of cardiac output and mean arterial pressure were performed in 15 women during the first stage of labour and at one and 24 hours after delivery. Cardiac output was measured by Doppler and cross sectional echocardiography at the pulmonary valve. Basal cardiac output (between uterine contractions) increased from a prelabour mean of 6.99 l/min to 7.88 l/min at greater than or e...
Although cardiac output is a primary determinant of global O2 transport there are no absolute values that reflect circulatory adequacy, though very low values are of negative prognostic use. There is no agreement as to what constitutes a clinically relevant change in cardiac output. A recent clinical trial suggests that early goal-directed therapy aimed at increasing cardiac output improves sur...
Background & Aim: Cardiac functional adaptations are affected by gender, age, intensity and type of exercise. The aim of this study was to compare the effect of endurance, resistance, concurrent training on the cardiac function. Methods: Forty healthy middle-aged women (mean age 44/62±3/45 years, height 157/75±4/87 cm and weight 73/27±10/64 kg) were randomly divided into four groups (10 person...
Background and Aim: Aerobic exercise plays an important role in prevention of obesity, improvement of sleep quality and cardiovascular function. The purpose of this study was to investigate the effects of 8 weeks of moderate-intensity aerobic exercise training on sleep quality, and also cardiac structure and function in inactive obese girls. Materials and Methods: In this study, 20 inactive obe...
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