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Sonospirometry: A new method for noninvasive estimation of mean right atrial pressure based on two-dimensional echographic measurements of the inferior vena cava during measured inspiration

Inferior Vena CavaElectrophysiological EvaluationRadiologyTwo-dimensional Echographic MeasurementsMedical ImagingCardiovascular DiseaseHealth SciencesNoninvasive EstimationCardiac MechanicBlood Flow MeasurementCardiovascular PhysiologyUltrasoundMedicineCardiologyDiastolic FunctionAnesthesiologyCardiovascular Imaging