Normal Saline

Question 1

Normal Saline
Type

Answer 1

Isotonic crystalloid solution of 0.9% sodium chloride.

Question 2

Normal Saline
Presentation

Answer 2

500 or 1000ml of 0.9% sodium chloride solution

Question 3

Normal Saline
Actions

Answer 3

1. Short acting plasma volume expander
2. also expands interstitial fluid volume

Question 4

Normal Saline
Uses

Answer 4

1. initially replacement of fluid, in volume depleted or dehydrated patients. (volume depletion may be due to loss of blood, plasma or fluid and electrolytes)
2. maintenance of hydration during prolonged patient contact time
3. To keep vein open, as IV route for drugs.

Question 5

Normal Saline
Adverse Effects

Answer 5

Fluid overload

Question 6

Normal Saline
Dose (adult)

Answer 6

In general, aim to maintain sBP >90mmHG: rate and volume infused is dependent on patient condition. Give 250-500ml voluses, reasses after each bolus.
Haemorrhagic hypovolaemia: aggressive warm fluids. Max 20ml/kg
Traumatic brain injury: aim for sBP >100mmHg. No limit on amount - dependent on condition of patient.
TKVO: 10 drops per minutes (30ml/hg with a standard drip set)

Question 7

Normal Saline
Dose (paed)

Answer 7

Refer to paediatric reference charts for BP goals: rate and volume infused is dependent on patient condition. Give weight appropriate boluses, reassess after each bolus.
Paediatric cardiac arrest: 20ml/kg
Haemorrhagic hypovolaemia: aggressive warm fluids. Max dose 20ml/kg.