TD is a 42 y/o male pt that presents today with reports of diarrhea x 3 days. He also reports "cotton mouth', fever, poor appetite, lightheadedness, fatigue, chills, decrease appetite, and abdominal pain. Pt reports consuming rare burgers while at a trip in Chicago last week. he also reports streaks of blood in stool. The physical findings reveal elevated temperature 101.5, tachycardia, orthostatic hypotension, dry tongue and mucous membranes, and residue guaiac-positive.