Hypotension during gradual blood loss: waveform variables response and absence of tachycardia
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چکیده
منابع مشابه
Hypotension during gradual blood loss: waveform variables response and absence of tachycardia.
BACKGROUND Variation in arterial pressure and plethysmographic waveforms has been shown to be predictors of cardiac output response to fluid challenge. The objective of this study was to evaluate the ability of arterial and plethysmographic waveform variables to predict hypotension during blood loss. METHODS Patients undergoing autologous haemodilution were studied. After anaesthesia inductio...
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The directions and magnitudes of time-normalized P, QRS, and ST vectors, and other ECG parameters were analyzed during and after multistage exercise in 56 ostensibly healthy men aged 23 to 62. By selective averaging with a digital computer system a single representative beat was obtained from each stage. Measurements were taken from this beat. During exercise, the interval between the spatial m...
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ژورنال
عنوان ژورنال: British Journal of Anaesthesia
سال: 2012
ISSN: 0007-0912
DOI: 10.1093/bja/aes300