... Pulmonary function Muscle weakness NIH Amyotrophic lateral sclerosis (ALS) is a debilitating neurological disorder involving the degeneration of motor neurons. Paralysis is progressive, and the average time to death from symptom onset is 3–5 years. Definitive diagnosis of ALS is based...

...Athanasios Konstantinidis; Moses Elisaf; Katerina Panteli; Stavros Constantopoulos We describe the case of a 56-year-old man with severe muscle weakness due to heavy hypokalemia (serum potassium 1.44 mmol/l) associated with inappropriate kaliuria and alkalemia. Subsequent investigation revealed...