pressure waveform

pressure waveform

a graphic representation of intravascular or intracardiac pressure related to phases of the cardiac cycle, displayed on an oscilloscope monitor or paper copy.

pres·sure wave·form

(presh'ŭr wāv'fōrm)
A graphic representation of intravascular or intracardiac pressure related to phases of the cardiac cycle, displayed on an oscilloscope monitor or paper copy.
References in periodicals archive ?
The panel concluded that analysis of the central pressure waveform, which can be measured noninvasively, provided valuable information when added to traditional brachial blood pressure measurement.
The aortic pressure waveform was derived from the radial artery waveform using the validated generalized transfer function [23], illustrated in Fig.
After 10-15 minutes with the participant resting in the supine position, the aortic PWV was measured by sequential recordings of the arterial pressure waveform at the carotid and femoral arteries with a hand-held micromanometer-tipped probe on the skin at the site of maximal arterial pulsation.
The topics include arterial blood pressure waveform analysis and its applications in assessing vasovagal syncope, heart rate variability analysis for monitoring fetal distress and neonatal critical care, bariatric surgery and its effects on heart rate variability, heart rate variability in congestive heart failure, and heart rate variability and depression.
The two most promising technologies are the oesophageal Doppler and arterial pressure waveform devices, which have been used to optimise oxygen delivery in an attempt to improve patient outcomes (2).
In the development of the guideline, nurse experts reviewed the published literature from 2000 to December 2010 using PubMed/ Medline, Embase, and the Cumulative Index to Nursing and Allied Health Literature, and the search included the following terms: intracranial pressure monitoring device, intracranial pressure waveform, external ventricular drain, lumbar drain, indwelling catheters, drainage, cerebrospinal fluid, ventriculostomy, and nursing.
In positive pressure ventilation such as assist control or pressure control ventilation, the ventilator forces the mixture of gas into the lungs during inspiration and creates a higher intrathoracic pressure, thereby creating a higher pressure waveform in the PAWP tracing during inspiration.
This graphic display of pulmonary artery pressure waveform will certainly assist in determining optimal treatment for each patient, resulting in better disease management," added Professor Hoppe.
If the pressure waveform is not square, as it should be, the patient is pulling on his own lung impedance because there is not enough flow available with the set pressure to satisfy the patient's inspiratory drive.
Without a single needle stick, the company's FDA approved and CE-Marked T-line technology is used today in hospital operating rooms, ICUs and electrophysiology labs to provide a patient's real-time pulse pressure waveform and blood pressure.
system which measures central aortic blood pressures and arterial stiffness non-invasively, today announced guidance from a panel US medical experts for physicians on the use of central aortic blood pressure waveform analysis in patient care.
After 10-15 minutes with the participant resting in the supine position, the carotid-femoral PWV was measured by sequential recordings of the arterial pressure waveform at the carotid and femoral arteries with a hand-held micromanometer-tipped probe on the skin at the site of maximal arterial pulsation.

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