轻度脫水时,水分丟失量約为体重的5%以下。此时患儿精神尚好,有时煩躁,皮肤干燥,弹力稍差,皮肤展平时間約半秒左右,眼窝及前囟稍陷,尿量变化不明显。中度脫水时,水分丢失量約为体重的5～10%。此时患儿精神煩躁或委靡,面色蒼白,四肢发凉,皮肤干燥,弹力差,展平时間在两秒左右,眼窝和前囟明显下陷,粘膜干燥,尿量减少。 Slight dehydration, the water loss is about 5% of body weight below. At this time children’s spirit is still good, and sometimes irritability, dry skin, stretch slightly less, skin flattening time about half a second, orbital and anterior fontanelle slightly depressed, urine volume changes were not obvious. Moderate dehydration, the amount of water loss is about 5 to 10% of body weight. Children with irritability or swell at this time, pale, cold limbs, dry skin, stretch poor, flattening time in about two seconds, the eye socket and bregma was significantly subsided, dry mucous membranes, decreased urine output.