Perplexing hyperkalaemia

Hyperkalaemia.

Hyperkalaemia is defined as serum potassium concentration greater than 5.5 mmol/l. Its prevalence in the general population is unknown, but it is thought to occur in 1-10% of patients admitted to hospital.1 The rate of morbidity and mortality associated with hyperkalaemia has risen greatly with the use of drugs that target the renin-angiotensin system, and since publication 10 years ago of a ra...

Perplexing Protein Puzzles

A perplexing rash.

To cite: Ranpara MP, Yesudian PD. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015211792 DESCRIPTION A 69-year-old woman presented to the emergency department with a painful rash of 5 weeks duration. The rash started as two discrete erythematous plaques on the left medial malleolus and was treated as cellulitis by her general practitioner. Despite antibiotic t...

Perplexing peroxisome proliferators.

Soft agarose culture human tumour colony forming assay for drug sensitivity testing: [3H]-Thymidine incorporation vs colony counting Summary In vitro drug sensitivity testing, both by optical colony counting and by a [3H]-TdR incorporation assay, was performed on human tumour cells proliferating in soft agar cultures. Cells from two different human tumour cell lines, 5 different human tumour xe...

Spurious hyperkalaemia: an insight.

Hyperkalaemia is a common electrolyte disorder with potentially lethal consequences and can lead to life-threatening cardiac dysrhythmias. Spurious hyperkalaemia, also known as pseudohyperkalaemia or factitious hyperkalaemiais, is also quite common in clinical practice and it's a source of avoidable emergency department visits or hospital admissions. We report a case in which alarming hyperkala...