http://www.fpnotebook.com/

Pediatric Isotonic Dehydration

See Also
1. Pediatric Dehydration Management
Definition
1. Pediatric Dehydration
2. Serum Sodium: 130 - 150
Example Case
1. Weight: 35 kg Child
2. Dehydration: 10%
3. Serum Sodium: 140 (Normal)
Calculate Maintenance Fluid Requirements
1. See Pediatric Dehydration Management
2. Hourly = 75 cc/hour for 35 kg child
  1. First 10 kg: (4 cc/kg/hour x 10 kg)
  2. Next 10 kg: (2 cc/kg/hour x 10 kg)
  3. Remaining 15 kg: (1 cc/kg/hour x 15 kg)
3. Daily: 1800 cc/day
Calculate Remaining Deficit to be replaced
1. See Pediatric Dehydration Management
2. Estimate level of dehydration
  1. Mild Dehydration (3%) = 30 ml/kg
  2. Severe Dehydration (12%) = 120 ml/kg
3. Subtract Phase 1 Resuscitation already replaced
4. Calculation
  1. Phase 1: 20 cc/kg/bolus x 35 kg x 1 bolus = 700 cc
  2. Deficit (10%): 100 ml/kg x 35 kg = 3500 cc
  3. Remaining Deficit: 3500 cc - 700 cc = 2800 cc
Divide 2800 cc Remaining Deficit over 24 hours
1. First 8 hours: 75 cc/h + 1400cc/8h = 250 cc/hour
2. Next 16 hours: 75 cc/h + 1400cc/16h = 163 cc/hour
Saline guide (Rough):
1. Weight <28 kg: D5 1/4NS (38 meq/L)
2. Weight >28 kg: D5 1/2NS (77 meq/L)
Summary: 35 kg Child with isotonic dehydration
1. First 8 hours: D5 1/2NS with 20 KCl at 250 cc/hour
2. Next 16 hours: D5 1/2NS with 20 KCl at 163 cc/hour

Navigation Tree

Please see the Terms and Conditions. Please also see the privacy statement regarding advertising on this page. Although access to this page is not restricted, the information found here is intended for use by medical providers. Patients should address specific medical concerns with their physicians.

This page was written by Scott Moses, MD. This page was last revised before 5/10/08, prior to consistent tracking of revision date. This page was last published on 6/1/2008. Please send comments and questions to the editor. Contact information may be found on the page About the Family Practice Notebook. These pages are best viewed with Microsoft Internet Explorer 6.0.