Approach to the Patient
History
• Persistent vomiting? Poor urine output? Weight loss?
Physical Exam
• Orthostatic hypotension, tachycardia, decreased skin turgor
Diagnostics
• Chem 7, UA (for spec gravity and ketones)
Treatment
• Supportive: IVF resuscitation w/ substrate (dextrose)
• Antiemetics: Ondansetron (Class B, 1st line) or Compazine (Class C, 2nd line)
Disposition
• Admit: Severe dehydration, unable to tolerate POs, acidosis or ketosis