ReviewPublished 21 August 2026Echocardiography-guided fluid resuscitation in critical illness: from fluid responsiveness to fluid toleranceRachid Attou · Ayoub Jaafari · Sohaïb Mansour · Mohamed El Mallouli · Sébastien Redant · Andrea Gallerani · Hafid KhelifaFrontiers in Anesthesiologydoi 10.3389/fanes.2026.1894770