A comparative study on confirmation of endotracheal tube placement in patients undergoing intubation in emergency department with ultrasonography, clinical methods, and capnography

• Nikhil PaulManipal Academy of Higher Education
• Archu MJManipal Academy of Higher Education
• Keerthana Manoharan K KManipal Academy of Higher Education
• V.T. AmrithanandJawaharlal Institute of Post Graduate Medical Education and Research
• Linu SMSree Gokulam Medical College and Research Foundation
• James PaulJubilee Mission Medical College and Research Institute