A 58-year-old man experiencing full cardiac arrest arrives i…
A 58-year-old man experiencing full cardiac arrest arrives in the emergency department. You insert an endotracheal tube into his trachea and ventilate the lungs with an artificial manual breathing unit (AMBU). You notice that a lot of pressure is required to put air into the patient’s lungs. You also observe that the right and left sides of the chest do not rise evenly during ventilation. With your stethoscope, you auscultate the patient’s chest and hear air entering the right lung but not the left lung. Based on your anatomical experience, you conclude the following: 1. the tube may enter the right mainstem bronchus 2. the tube may enter the left mainstem bronchus 3. the tube may enter the esophagus 4. the tube may enter the Vallecula