A 42-year-old male was involved in a fight and was stabbed in the right lateral chest. The knife is still impaled, and the patient now complains of shortness of breath. When he speaks, he gurgles and blood drains from his mouth. His respirations are labored and his radial pulse is weak. Which intervention should you perform first?
1) Administer oxygen
2) Remove the impaled knife
3) Perform a chest X-ray
4) Start CPR