[Solved]: An 18-year-old male high school student athlete who…

An 18-year-old male high school student athlete who had a four year history of diabetes mellitus was brought to the emergency department by his parents because of excessive drowsiness, vomiting, and diarrhea. His blood sugar has been well controlled with short acting insulin until several days ago when he developed headaches, myalgia, and low-grade fever. He has complained of excess thirst and polyuria for the past 2 days along with the diarrhea and vomiting. The emergency room physician ordered urinalysis and chemistry tests and the results are provided below. Urinalysis Results Chemistry Results Specific gravity 1.012 Sodium 126 mmol/L pH 5.0 Potassium 6.1 mmol/L Glucose 4+ Chloride 87 mmol/L Ketones Large Bicarbonate 6 mmol/L Plasma glucose 600 mg/dL BUN 48 mg/dL Creatinine 2.0 mg/dL Concerning the 18-year-old male high school student with a history of diabetes: 1. What is the probable diagnosis of this patient based on the data presented?