This reference consists of state-of-the-art, authoritative chapters by international experts on the role of cardiac ultrasound in emergency clinical settings. Chapters include echocardiography in acute coronary syndromes, acute native and prosthetic valve disease, cardiac tamponade, acute diseases of the great vessels, cardiac-related embolism, cardiac arrest, chest trauma, cardiogenic shock, as well as intraoperative echocardiography and echocardiography in the emergency room.