Pediatrics Which of the following is the most sensitive indicator of intravascular volume depletion in an infant presented with acute rotavirus gastroenteritis? A Cardiac output B Hea rate C Stroke volume D Preload 💡 Explanation Which of the following is the most sensitive indicator of intravascular volume depletion in an infant presented with acute rotavirus gastroenteritis? ✓ Correct Answer: B. Hea rate