5 Questions
What is true about crystalloids when given in sufficient amounts?
They are just as effective as colloids in restoring intravascular volume.
What is required to replace an intravascular volume deficit when using crystalloids?
Three to four times the volume needed when using colloid
What is a benefit of using colloid solutions?
Severe intravascular fluid deficits can be more rapidly corrected.
What is a complication associated with rapid administration of large amounts of crystalloids?
Tissue edema
What is a consequence of marked tissue edema?
Impaired oxygen transport, tissue healing, and bowel function
Study Notes
Crystalloids vs Colloids in Restoring Intravascular Volume
- Crystalloids are equally effective as colloids in restoring intravascular volume when given in sufficient amounts.
- When using colloids, the volume needed to replace an intravascular volume deficit is typically 3-4 times less than with crystalloids.
- Colloid solutions can rapidly correct severe intravascular fluid deficits more efficiently.
Risks of Rapid Administration of Large Amounts of Crystalloids
- Rapid administration of large amounts of crystalloids (>4-5L) is associated with a higher frequency of tissue edema.
- Marked tissue edema can impair oxygen transport, tissue healing, and return of bowel function following major surgery.
This quiz compares the effects of crystalloids and colloids in restoring intravascular volume and correcting fluid deficits. It discusses their differences in efficacy and potential complications.
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