A 74-year-old client with type 2 diabetes and stage 3 chronic kidney disease presents with drowsiness, dry mucous membranes, BP 92/54 mm Hg, glucose 824 mg/dL, effective osmolality 326 mOsm/kg, potassium 3.4 mmol/L, and creatinine 2.3 mg/dL from 1.4 mg/dL. Classify each finding by the treatment decision it most directly supports.
Matrix
Choose your responses, then check the answer.
Explanation
Hypotension and dehydration support cautious fluid replacement; potassium 3.4 mmol/L and acute kidney injury change potassium and insulin safety; osmolality and cognition require controlled correction and frequent neurologic reassessment.
Quick answer Sort the cues into perfusion, electrolyte-insulin safety, and controlled osmolality correction.
Why this is correct HHS decisions are linked: fluids restore perfusion and renal glucose clearance, potassium below 3.5 mmol/L delays insulin, renal impairment narrows replacement tolerance, and osmolality plus cognition determine correction-rate safety.
Easy analogy or mental picture Treat HHS like restoring a concentrated circulation system: refill carefully, protect potassium, then lower glucose and osmolality at a controlled rate.
Memory hook Perfusion, potassium, osmolality: classify by the decision each cue changes.
NCLEX decision rule A cue may support more than one decision when it changes both circulation and medication safety.
Why the other choices are wrong Treating the glucose value in isolation misses hypovolemia, potassium shift, kidney injury, and neurologic risk.
References
12024 Consensus Report: Hyperglycemic Crises in Adults With DiabetesHHS diagnosis, cautious fluids, potassium and insulin safety, controlled osmolality correction, and resolution criteria
HHS cue classificationConnect each assessment finding to the specific fluid, potassium, insulin, or correction-rate decision it changes.