driving pressure


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driving pressure

1. In respiratory physiology, the difference between the inspiratory pressure and the expiratory pressure.
2. In cardiovascular physiology, the difference between the arterial pressure at the source of blood flow, and the pressure at the target tissue.
See also: pressure
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
(5) Simplistically, under CMV: driving pressure, 20 cm H20+PEEP, 10 cm H20=Pplat[less than or equal to]30 cm H20; under SV: driving pressure, 10 cm H2O+PEEP, 20 cm H20=Pplat[less than or equal to]30 cm H20.
Airway driving pressure could be used as a safety limit during VT titration at the bedside.
Therefore, the main objective of this work is to study the shape oscillations of a single microbubble in an ultrasound field based on numerical simulation, and the relationship between the bubble shape variation period and the driving pressure period is investigated.
As air flows through partially obstructed airways under the influence of a constant driving pressure, the velocity of the flow will increase through these narrowed airways, and the lateral wall pressure will decrease.
However, the amount of the driving pressure ([DELTA][p.sub.d]) between the inlet and outlet was different.
Driving pressure measurements were taken with a pressure sensor (ASDXL; Honeywell) with a range of 0 to [+ or -] 10 inches of water column (inch WC).
The authors begin by examining the key factors driving pressure for change in the healthcare system in relation to access, cost, and quality.
Constant driving pressure from both forwards and backs saw the home side defending for most of the 40 minutes.
to 're-create' themselves without the driving pressure to achieve as an influence), and to gather strength for the school year ahead" (2011).
Once an item has accumulated, the driving pressure beneath the item is removed so products do not touch.
This shift occurred in higher floors because even though there was still less flow resistance through the stairwell, there was a greater driving pressure through the shaft, which led directly to the roof, than through the stairwell, which led to the ninth floor before exhausting to the roof through the east shaft.
However, higher water flow rate required higher driving pressure to squeeze the dispersed fluid through the small orifice, resulting in the risk for damaging the orifice and tubing connection.