Epidural pressure waveforms
نویسندگان
چکیده
منابع مشابه
Deriving heart period variability from blood pressure waveforms.
International standards for calculating heart period variability (HPV) from a series of R-wave intervals (R-R) in an electrocardiographic (ECG) recording have been widely accepted. It is possible, and potentially useful in various settings, to use systolic blood pressure waveform intervals to estimate HPV, but the validity of HPV derived from blood pressure (BP) waveforms has not been establish...
متن کاملOn an automatic delineator for arterial blood pressure waveforms
Arterial blood pressure waveforms contain rich pathophysiological information; hence receive much attention in cardiovascular health monitoring. To assist computerized analysis, an automatic delineator was proposed for the fiducial points of arterial blood pressure waveforms, namely their onsets, systolic peaks and dicrotic notches. The presented delineator characterizes arterial blood pressure...
متن کاملVentilator waveforms and the physiology of pressure support ventilation.
Pressure support ventilation (PSV) is a commonly used mode. It is patient-triggered, pressure-limited, and (normally) flow-cycled. Triggering difficulty occurring during PSV is usually due to intrinsic positive end-expiratory pressure. The airway pressure generated at the initiation of inhalation is determined by the pressure support setting and the pressure rise time (pressurization rate) sett...
متن کاملNoninvasive haemodynamic monitoring using finger arterial pressure waveforms.
Haemodynamic monitoring may potentially lead to improved quality of care in haemodynamic compromised patients. However, the usefulness of invasive techniques using the pulmonary artery catheter is questioned. Noninvasive techniques which provide data on haemodynamics might provide a good alternative. New techniques have been developed in recent years to monitor cardiac output and other paramete...
متن کاملGeneration of accurate aortic pressure waves from calibrated upper limb pressure waveforms.
Fourteen years ago, Chen Chen-Huan et al. from Baltimore1 were the first to validate use of a transfer function method for generation of the aortic from the radial artery pressure waveform. This technique had the potential capacity to link the century old brachial cuff sphygmomanometer with the even older clinical method of palpating or directly recording the radial arterial pressure wave. Ther...
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ژورنال
عنوان ژورنال: Anaesthesia
سال: 2017
ISSN: 0003-2409
DOI: 10.1111/anae.14044