Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
Related questions
Question
Comment on the normal-to-high sodium concentration. What is the clinical implication of this?

Transcribed Image Text:A 4-year-old boy is admitted to casualty with a working diagnosis of gastro-enteritis. On examination
you find that the child is dehydrated and has a severely decreased level of consciousness. The following
electrolytes and blood gas profile were obtained from a point-of-care instrument situated in casualty:
Sodium (Na)
Potassium (K)
pH
pCO₂
HCO,
145
1.9
7.2
22
9
Normal
Low (↓)
Low (↓)
Low (↓)
Low (1)
136-145 mmol/L
3.5-5.1 mmol/L
7.35-7.45
35-45 mmHg
22-30 mmol/L
Expert Solution

Step 1
It is estimated that we require approximately 500 mg of sodium per day for these vital functions. However, consuming too much sodium can result in high blood pressure, heart disease, and stroke. It can also cause calcium loss, with some of it being pulled from bone.
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