IV fluids

Question 1

How does Hartmann’s solution differ from Normal Saline?

Answer 1

Normal Saline contains only Na and Cl, and it is slightly hypertonic with an osmolarity of 300mOsm/L.

Hartmann’s contains Na, Cl, K, Lactate, Ca, and it is isotonic with an osmolarity of 279mOsm/L.

Question 2

What are the potential advantages of Hartmann’s solution in resuscitation?

Answer 2

Less hyperchloraemic acidosis.

Closer to physiologic fluid.

Question 3

What are the potential complications of IV fluid therapy?

Answer 3

Fluid overload, Air embolism, Hypothermia, Extravasation, Acidosis, Electrolyte abnormalities, Infection, Cerebral oedema, Haemodilution.