A 68-yeаr-оld mаle with а histоry оf congestive heart failure arrives in the emergency department in severe respiratory distress. He is sitting upright, gasping for air, and has pink, frothy sputum. On assessment, you note crackles throughout both lung fields and jugular venous distention. Which of the following would be appropriate immediate treatment plan? Trendelenburg position give low-flow oxygen, IPPB with 100% O2 digitalis furosemide