(BQ) Continued part 1, part 2 of the document Handbook for intensivists about echocardiography has contents: Intraoperative echocardiography in cardiac surgery, general hemodynamic assessment, hypovolemia and fluid responsiveness, suspicion of pulmonary embolism, chest pain, acute dyspnea, unexplained hypoxemia, and other ocntents. Invite you to refer.