A 35-year-old male patient who recently returned from a deep-sea scuba diving trip presents with joint pain, dizziness, and shortness of breath. He reports experiencing these symptoms shortly after a rapid ascent to the surface. What should be the immediate management for this patient?
Initiate CPR and provide positive pressure ventilation
Administer IV fluids and elevate the legs
Administer 100% oxygen and prepare for hyperbaric oxygen therapy
Administer diuretics and monitor respiratory status