[The second opinion procedure in electrophysiology : Legal aspects for treatment providers and second opinion providers].

Patients with statutory health insurance in Germany have the right to obtain a second opinion at the expense of their health insurance in addition to that of their primary practitioner before certain procedures are carried out. This gives rise to various legal obligations and questions on the part of both the practitioner and the second opinion provider. This article outlines, based on the legal situation, which obligations exist for both practitioners and second opinion providers, and who is suitable to provide a second opinion. Focus is placed on informing patients about the possibility of obtaining a second opinion. On the other hand, it explains which requirements second opinion providers have to fulfill and which duties are incumbent on them.