A 45-year-old man is brought to the hospital due to progressive weakness and fatigue. Medical history includes type 2 diabetes mellitus and obesity. Laboratory results are as follows: Which of the following is the most likely diagnosis?

Question

A 45-year-old man is brought to the hospital due to progressive weakness and fatigue.  Medical history includes type 2 diabetes mellitus and obesity.  Laboratory results are as follows:  Which of the following is the most likely diagnosis?

Quizplus · Accepted Answer

Eductional Objective: Nonanion gap metabolic acidosis (NAGMA) results from the loss of bicarbonate (HCO₃-) (usually from the kidneys or gastrointestinal tract), leading to a relative increase in H+. Common causes include renal tubular acidosis and severe diarrhea. NAGMA is also referred to as hyperchloremic acidosis because the decrease in serum HCO₃- is compensated for by an increase in serum chloride to maintain electronegative balance

A 45-Year-Old Man Is Brought to the Hospital Due to Progressive