Introduction to the update series: update in intensive care medicine: ultrasound in the critically ill patient. Clinical applications Ana Ochagavía; Virginia Fraile; Lluis Zapata;

Hemodynamic monitoring and echocardiographic evaluation in cardiogenic shock Ana Ochagavía; Nora Palomo-López; Virginia Fraile; Luis Zapata;

Ten take-home messages on vasopressin use in critically ill patients Ricard Ferrer; Pedro Castro; Carol Lorencio; Josman Monclou; Pilar Marcos; Ana Ochagavia; Juan Carlos Ruíz-Rodríguez; Josep Trenado; Christian Villavicencio; Juan Carlos Yébenes; Lluís Zapata;