Method and apparatus for unifying the ventilation/perfusion and

Details Method and apparatus for unifying the ventilation/perfusion and Method and apparatus for unifying the ventilation/perfusion and

1994-07-26

1997-03-04

Sykes, Angela D.

Surgery

Truss

Pad

128716, A61B 50205

Patent

active

056069766

ABSTRACT:
A method and apparatus for unifying the pressure/flow and ventilation perfusion ratios is disclosed. The method comprises the following steps: determining the initial health condition of a patient so as to define a pulmonary pressure flow curve for each of a plurality of lung compartments of said patient; applying a stimulus of hypoxic pulmonary vasoconstriction to the pressure flow curve for each compartment to obtain a pressure flow curve for each of said plurality of compartments; and deriving a pulmonary artery pressure value corresponding to a ventilation/perfusion ratio that satisfies both the individual and total pressure flow requirements for said pulmonary pressure/flow curves.

REFERENCES:
patent: 4796639 (1989-01-01), Snow et al.
patent: 5003976 (1991-04-01), Alt

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