A 35 - year - old female patient presented in the medical unit with history of diarrhea andvomiting for the past 3 days. She complaints of severe abdominal pain and cramps. She appears to be weak and dehydrated. The vital signs were: Temperature 38.1° C, heart rate 112/minute, respiration 20/minute and blood pressure 100/58 mmHg. She has no history of comorbidities. The physician has ordered for laboratory investigationsto be done.
Elaborate on the types of intravenous (IV) fluid therapy that is most appropriate forher condition and provide the rationales for its use.