SAQ 1316 – Weakness with abnormal blood gas and electrolyte replacement

A 27-year-old woman self-presents with weakness. A venous blood gas is obtained shortly after arrival.

VBG parameter	Value
pH	7.49
pCO2	48
pO2	52
BE	10
HCO3	32
Na	134
K	2.2
Cl	91

Interpret the blood gas.

(Marked out of 1.0)

/ 1

For any patient, complete the table with two causes of hypokalaemia in each category.

(Marked out of 4.0)
Category | Two causes<br /> Endocrine |<br /> Renal |<br /> Gastrointestinal |<br /> Drugs |

/ 4

List two oral potassium formulations and the potassium content per tablet.

(Marked out of 2.0)
Oral formulation | Potassium content<br /> 1 |<br /> 2 |

/ 2

She refuses oral replacement. Complete a pre-prepared IV fluid order for a patient needing potassium and fluid replacement.

(Marked out of 2.0)
Fluid type | Volume (mL) | Additive and amount | Rate (mL/hr)<br /> Order | | |

/ 2

Complete a pre-prepared IV potassium order for a patient needing potassium replacement while avoiding fluid overload.

(Marked out of 2.0)
Fluid type | Volume (mL) | Additive and amount | Rate (mL/hr)<br /> Order | | |

/ 2

What other electrolyte may need replacement to facilitate potassium normalisation?

(Marked out of 1.0)

/ 1

Total Score: 0 / 12

Percentage: 0%