A retrospective study of accuracy and usefulness of electrophysiological exercise tests.

Objectives: This study aimed to determine the usefulness of electrophysiological exercise tests. The significance of slightly abnormal exercise tests was also examined.

Methods: We identified all the patients who had undergone exercise testing between February 2007 to June 2022 in Tampere University Hospital, Finland.

Variant Associated With a Myalgic Myopathy Phenotype.

Background And Objectives: This study aimed to characterize the phenotype of a novel myalgic myopathy encountered in a Finnish family.

Methods: Four symptomatic and 3 asymptomatic individuals from 2 generations underwent clinical, neurophysiologic, imaging, and muscle biopsy examinations. Targeted sequencing of all known myopathy genes was performed.