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Case Reports
. 1984 Apr;51(4):421-6.
doi: 10.1136/hrt.51.4.421.

Continuous recording of pulmonary artery pressure in unrestricted subjects

H Ikram, A M Richards, E J Hamilton, M G Nicholls
Case Reports

Continuous recording of pulmonary artery pressure in unrestricted subjects

H Ikram et al. Br Heart J. 1984 Apr.

Abstract

Continuous ambulatory pulmonary artery pressures were recorded using a conventional No 5 French Goodale-Lubin filled catheter linked to the Oxford Medilog system of a portable transducer-perfusion unit and miniaturised recorder. Data retrieval and analysis were performed using a PB2 Medilog playback unit linked to a PDP 11 computer system. The total system has a frequency response linear to 8 Hz allowing accurate pressure recording over the full range of heart rates. Ten recordings in 10 patients yielded artefact free data for 80% or more of the recorded period. This inexpensive reliable method allows pulmonary artery pressures to be recorded in unrestricted subjects.

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