Clinical Findings of Dehydration

Symptom	Mild dehydration	Moderate dehydration	Severe dehydration
Level of consciousness	Alert	Lethargic	Obtunded
Mucus membrane	Normal	Dry	Crack
Tears	Normal	Decrease	Absent
Heart rate	slightly high	high	very high
RR	Normal	increased	Very increased
BP	Normal	Orthostatic	Decreased
Pulse	Normal	Thready	Faint
Skin turgor	Normal	Slow	Tenting
Eyes	Normal	Sunken	Very sunken
Urine output	decreased	Oliguria	Anuria
Capillary refill	2 sec	4 sec	> 4 sec
Fontanel	normal	Depressed	Sunken