title: A video processor to facilitate computer calculation of pressure-volume indices from left ventriculograms.
mesh_terms: D001794:Blood Pressure; D006328:Cardiac Catheterization / Q000379:methods; D002306:Cardiac Volume; D002933:Cineradiography; D003201:Computers; D006334:Heart Function Tests / Q000295:instrumentation*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*