A patient exhibits the following symptoms: tachycardia, increased thirst, headache, decreased urine output, and increased body temperature. The nurse analyzes the data. Which nursing diagnosis will the nurse assign to the patient?

A) Adult failure to thrive
B) Hypothermia
C) Deficient fluid volume
D) Nausea

Deficient Fluid Volume

A medical condition where there is a lower than required volume of fluid in the body, also known as dehydration, leading to various health issues.

Tachycardia

Rapid regular heart rate ranging between 100 and 150 beats/min.

Increased Thirst

An abnormally strong desire to drink fluids, often a symptom of dehydration or a sign of a significant medical condition like diabetes.