The family of an 87-year-old female has called 911. The patient is confused and exhibiting improper and out-of-character behavior. The family informs you that the patient has diabetes, but takes pills and not insulin. They also state that she has been complaining of dizziness and has been drinking water nonstop as well as urinating. Assessment reveals adequate breathing, skin that is cool, and a radial pulse that is rapid and weak. The glucometer is malfunctioning and not providing a glucose reading. Based on her history, you should be suspicious of and treat the patient for:

A) Elevated blood sugar
B) Urinary tract infection
C) Stroke or transient ischemic attack
D) Hypoglycemia

A) Elevated blood sugar