Point-of-care ultrasound(POCUS)refers to a non-invasive operating technology that uses ultrasound in real-time at the bedside to help diagnose and treat patients.It is used in many medical specialties such as critical care medicine,emergency medicine and internal medicine.Increasing clinical evidence shows that whole-body POCUS provides rapid diagnosis in the perioperative period and directly affects anesthesia management and patient prognosis,prompting anesthesiologists to increase their attention to the application of perioperative ultrasound in clinical practice.Currently there is a lack of standard ultrasound courses in the field of anesthesia.This review summarizes perioperative POCUS methods for multiple organ assessments,including cardiac function,hemodynamics,endotracheal tube placement,lung function,aspiration risk,and vascular puncture.and visualization of regional nerve blocks.The purpose of this article is to introduce and discuss the different uses and importance of POCUS in the perioperative period to anesthesiologists and anesthesiology students,so as to improve anesthesiologists'understanding and mastery of POCUS,promote the inclusion of POCUS in perioperative medicine,and provide an important tool for continuous improvement of anesthesia management of perioperative patients.
Medical educationPerioperative medicinePoint-of-care ultrasoundAnesthesiaUltrasound diagnosisCritical care medicine
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