A 12yo pt presents with copious diarrhea

A 12yo pt presents with copious diarrhea. Exam: urine output=low, mucous membrane=dry, skin
turgor=low. What is the most appropriate initial management?
a. Antibiotic
b. Antimotility
c. Anti-emetic
d. Fluid replacement
e. Reassurance

Q. 1. What is the key?
Q. 2. What is the diagnosis and why?

Ans. 1. The key is D. Fluid replacement.
Ans. 2. Diagnosis is severe dehydration. Points in favour: i) low urine output ii) dry mucous membrane and iii) low skin turgor.