Table of contents Forewords.- Preface.- Acknowledgements.- Generalities.- Basic Notions.- The Ultrasound Equipment.- Specific Notions of Ultrasound in the Critically Ill.- General Ultrasound: Normal Patterns.- Organ by Organ Analysis.- Peritoneum.- Gastrointestinal Tract.- Liver.- Gallbladder.- Urinary System.- The Retroperitonal Space.- Spleen, Adrenals, and Lymph Nodes.- Upper Extremity Central Veins.- Inferior Vena Cava.- Lower Extremity Veins.- Pleural Effusion and Introduction to the Lung Ultrasound Technique.- Pneumothorax and Introduction to Ultrasound Signs in the Lung.- Lung.- Lung Ultrasound Applications.- Mediastinum.- General Ultrasound of the Heart.- Head and Neck.- Soft Tissues.- Clinical Application of Ultrasound.- Ultrasound in the Surgical Intensive Care Unit.- Ultrasound in Trauma.- Emergency Ultrasound Outside the Intensive Care Unit.- Interventional Ultrasound.- Emergency Ultrasound and Antibiotic Therapy.- Analytic Study of Frequent and/or Severe Situations.- Learning and Logistics of Emergency Ultrasound.- Ultrasound, a Tool for Clinical Examination.- Concluding Remarks.- Glossary