Why the study?
Hypokalaemia is observed in 20% of hospitalised patients, but very few studies have evaluated hospital-induced hypokalaemia.
Population
653 hospitalised patients with normokalaemia at admission and at least two potassium values after admission
Comparison
Patients developing hypokalaemia vs those remaining normokalaemic
Design
Prospective observational study
Authors
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Hospital-acquired hypokalaemia warrants routine K+ monitoring in general medicine; leaves open whether targeted prevention improves outcomes.
Inpatient hypokalaemia occurs in approximately 21% of patients admitted with normal potassium levels, is mostly mild, and is associated with multiple comorbidities but not mortality.
Bhargava et al. (2023) studied this question.
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