Shortness of Breath Scenario

You are working as a solo responder on an RRV when a call comes in for a 67-year-old male who has shortness of breath, struggling to breathe. You respond to the property 12 minutes away. On arrival, you enter the property and find the gentleman sat in his kitchen. He is visibly cyanosed around his lips with an elevated respiratory rate and increased effort of breathing. He tries to speak to you but his words are broken by his short sharp inhalation breaths.