Urea And Electrolytes

1. Why is sodium important?

Maintains homoeostasis of body fluids through intravascular action.

Hypertremia and hyopnatermia

Abnormal levels indicate hydration

Good for the liver

Urea is an organic compound perhaps best recognise for its presence in urine, but it also serves important roles in the metabolism too. Electrolytes are substances that produce an electrically conducting solution when dissolved in a polar solvent.

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2. Whys is potassium imporant?

Hyperkalemia (brady and arrythemias) and hypokalemia (tachy and arrythemias)

Controls respiratory output and stroke volume

Controls cardiac conduction and neuromuscular function

Indicator of urine output.

3. Normal ranges of sodium?

137 - 147 mmol / L

135 - 145 mmol/L

145 - 155 mmol / L

130 - 140 mmol / L

4. Normal ranges of potassium?

3.5 - 5.0 mmol/L

4.0 - 5.1 mmol/L

3.5 - 3.9 mmol/L

5.0 - 6.5 mmol/L

5. Urea's main uses?

A waste product of protein metabolism normally cleared by the urine.

Raised urea = renal failure

Raised urea = Dehydration and excessive protein metaboism.

Good for the urethra

6. Normal range of Urea?

2.6 - 7.7 mmol/L

2.1 - 6.5 mmol/L

2.6 - 6.5 mmol/L

6.5 - 7.1 mmol/L

7. Glucose main uses?

Intracellular energy needed to transport insulin into cells.

Hyperglycemia and hypoglycemia

Used and stored as glycogon in liver

Makes ATP

8. Glucose normal value

4.4 - 6.1 mmol/L

4.1 - 6.5 mmol/L

3.1 - 6.1 mmol/L

3.1 - 4.1 mmol/l