see [[Paediatric fluids|paeds IVF]], [[paediatric NGT]], [[hyponatremia (paeds)|paediatric SIADH]], [[Hypoglycaemia (paeds)]]
| |Mild dehydration (<5%) |Moderate dehydration (5-9%) <br>Signs mildly to moderately abnormal | Shock (≥10%)<br><br>Signs markedly abnormal|
|---|---|---|---|
|**Conscious state**|Alert and responsive|Lethargic, irritable|Reduced conscious state|
|**Heart rate**|Normal|Normal/mild tachycardia|Tachycardia|
|**Breathing**|Normal|Increased respiratory rate|Increased respiratory rate <br>Deep acidotic breathing|
|**Blood pressure**|Normal|Normal|Hypotension|
|**Skin colour**|Normal|Normal|Pale or mottled|
|**Extremities**|Warm|Warm|Cold|
|**Peripheral pulses**|Normal|Normal|Weak|
|**Eyes & fontanelle**|Not sunken|Sunken|Deeply sunken|
|**Mucous membranes**|Moist|Dry|Dry|
|**Skin turgor**|Instant recoil|Mildly decreased|Decreased|
|**Central capillary refill time**|Normal|Prolonged|Markedly prolonged|