Fluids

IV Fluid	Infused Volume	Intervascular Volume Expansion	Fluid Type
Normal Saline	1000 ml	250 ml	crystalloid
Lactated Ringers	1000 ml	250 ml	crystalloid
Normosol and Plasmalyte	1000 ml	250 ml	crystalloid
D5W	1000 ml	100 ml	crystalloid
Albumin 5%	500 ml	500 ml	colloid
Albumin 25%	100 ml	500 ml	colloid
Hydroxyethyl Starch	500 ml	500 ml	colloid

Signs of volume depletion:

• Tachycardia >100 bpm, hypotension, SBP < 80, orthostatic changes, increase BUN:SCr ratio >20:1, dry mucous membranes, decreased skin turgor, reduced urine output, dizziness and improvement in HR and BP after 500-1000 ml fluid bolus.
• Crystalloids are recommended in volume depletion, colloids are not.