In the last decade ultrasound has found its place in the intensive care unit. Initially ultrasound was used primarily to increase safety and efficacy of line insertion but now many intensivists use... Show moreIn the last decade ultrasound has found its place in the intensive care unit. Initially ultrasound was used primarily to increase safety and efficacy of line insertion but now many intensivists use point-of-care ultrasound (POCUS) to aid in diagnosis, assessment of therapy and therapeutic interventions. In this series we aim to highlight one specific POCUS technique at a time, which we believe will prove to be useful in your clinical practice. In this issue our aim is to provide you with a short and practical description of the measurement of E-point septal separation to identify a severely reduced left ventricular ejection fraction. Show less