A 52-year-old male with a history of CHF presents with severe dyspnea, pink frothy sputum, and crackles bilaterally to the apices. SpO2 is 82%. What is the MOST appropriate initial intervention?
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A
Furosemide 40 mg IV bolus
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B
CPAP or BiPAP application
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C
Endotracheal intubation
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D
Nitroglycerin 0.4 mg SL