Hyperkalemia is common and can be serious. It can result in life-threatening cardiac arrhythmias. So it is important that we assess this problem properly, find an underlying diagnosis if there is one, and manage appropriately.

To find out more about this problem and what we can do about it, please do listen to this BMJ Best Practice podcast interview with Sri Yarlagadda, Associate Professor at The University of Kansas Medical Center.

Competing interests: None declared

For more on hyperkalemia, visit BMJ Best Practice.