[Expert Solution]: A 72-year-old man arrives at the urgent…

A 72-year-old man arrives at the urgent care clinic reporting a frequent cough for the last 2 days producing thick yellow mucus. He is alert and oriented to person but only able to speak in two- to three-word phrases. He lives alone and reports having little appetite and has not eaten or drunk much in the past week. Good skin turgor on chest. Skin tenting on hands and pale, dry mucous membranes. He has a history of hypertension. He reports smoking two packs of cigarettes a day for 30 years, but he has not smoked in the past 20 years. Current vital signs: temperature 99° F (37.2° C), heart rate (HR) 104 beats/min, blood pressure (BP) 92/60 mm Hg, respiratory rate (RR) 32 breaths/min, oxygen saturation is 86% on room air, heart monitor indicates sinus tachycardia. Client appears visibly pale. Cardiac: Tachycardic; no audible murmur; chest pain 2/10 on inspiration. Eyes: Denies blurry vision; negative for scleral icterus.