Hyperkalemia in the CICM SAQs has never appeared as a stand-alone question; rather it has been asked about in the context of characteristic ECG changes, with the "how would you manage" as a part 2 of an already low-yield question. A good example of these is Question 15.2 from the second paper of 2017, where identifying the ECG abnormality earned the candidate a pitiful 1.0 marks (10% of a 10-mark SAQ).
Oh's Manual offers a bare minimum of information on this topic. For those willing to dig deeper, Lawrence S. Weisberg's 2008 article ("Management of severe hyperkalemia") offers the desirable balance of brevity and detail. It was the most important resource used in the making of this summary, and unless otherwise stated is the reference for everything stated therein.
Oh's Box 93.6 (page 956) sorts the causes of hyperkalemia according to their underlying physiological disturbance.
Artifactual and spurious
Excessive potassium intake
Uncontrolled release of intracellular stores
History and examination findings
The recommendations offered in Oh's Manual resemble the updated 2015 AHA guidelines. There are slightly different recommendations made in the Weisberg article. These have been blended into the list offered below:
Stabilize myocardial cell membrane:
Shift potassium into cells:
Promote potassium excretion:
Lavonas, Eric J., et al. "Part 10: Special Circumstances of Resuscitation 2015 American Heart Association Guidelines Update for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care." Circulation 132.18 suppl 2 (2015): S501-S518.
Weisberg, Lawrence S. "Management of severe hyperkalemia." Critical care medicine 36.12 (2008): 3246-3251.