Crystalloids and colloids:

Question 1

Crystalloid examples:

Answer 1

NaCl 0.9%, Ringer’s solution, Hartmann’s solution, Hypertonic saline

Question 2

What are the features of crystalloid solutions?

Answer 2

Half life of 30-60 mins
Iosotonic, contains electrolytes
25% plasma expansion, 75% interstital expansion
1st line in volume resuscitation

Question 3

What are the features of colloid solutions?

Answer 3

Half-life of 2-4h and longer
Larger molecules
Gelatinous solutions with a high osmotic pressure
Suitable for small volume resuscitation

Question 4

What are the uses of colloids?

Answer 4

Small volume resuscitation, hypovolemia, severe burns, hypoalbuminemia

Question 5

What are the uses of crystalloids?

Answer 5

First line in volume resuscitation, dehydration, hypovolemia, electrolyte disorders

Question 6

Colloids examples:

Answer 6

Albumin, dextran, fresh frozen plasma, packed RBC’s