Opisthotonus: Neurological Mechanisms, Differential Diagnosis, and Emergency Management
1. Introduction to Opisthotonus Opisthotonus is a severe, involuntary neurological sign characterized by a profound, rigid muscle spasm that causes the back to arch severely. In a state of opisthotonus, the patient head, neck, and spinal column are thrown into a state of extreme hyperextension. The body forms a rigid, backward-arching curve, often so severe … Read more