Endocrine Abstracts

A 54 year old Caucasian male presented with progressive muscle weakness leading to complete paralysis in upper and lower limbs evident on examination. Initial venous gas analysis showed potassium of 2.1 mmol/l, and ECG showed U waves with prolonged QTc. A diagnosis of hypokalaemic periodic paralysis was made, and intravenous potassium administered. The paralysis gradually resolved over the next 3–4 h, as repeat serum potassium level rose to 4.0 mmol/l. He described 6 mont...