The assessment of clinical dehydration scales diagnostic accuracy (CDS scale, WHO scale, Gorelick scale) among small children.

The eligible patient admitted to the hospital with acute diarrhea, after given written consent for participation in the study by the child's parents, will be clinically assessed. Dehydration syndromes noted by physician will be recorded in special form (in attachment). Than, the child will be weighted on a standard scale.

The next body mass evaluation will take place, when patient's clinical condition will by classified as good by the attending physician and the child will be at least 24 hours after finishing intravenous or probe rehydration therapy.

Inclusion Criteria:

• age: 1 - 36 months for CDS scale; 1 month - 5 years old for WHO scale and Gorelick scale
• hospitalisation caused by acute diarrhea (acute diarrhea -increase in the frequency of evacuations ≥ 3 in 24 hours; with or without fever or vomiting)
• duration of symptoms under 5 days
• parents' written consent for child's participation in the study

Exclusion Criteria:

• Dehydration caused by other mechanisms than acute diarrhea, for example dehydration caused by:

  • acidosis
  • kidney failure
  • heart failure
  • chronic liver disease
  • respiratory failure
  • condition after surgery

Small children with acute diarrhoea admitted to the pediatric ward.