Ansari, B M Physiological controversies and methods used to determine fluid responsiveness: a qualitative systematic review. [electronic resource] - Anaesthesia Jan 2016 - 94-105 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1365-2044 Standard No.: 10.1111/anae.13246 doi Subjects--Topical Terms: Cardiac OutputCatheterization, Swan-GanzCritical CareEchocardiographyEchocardiography, TransesophagealFluid TherapyHumansQualitative Research