Narrow-complex tachyarrhythmias are rapid heart rhythms originating in the upper heart chambers, characterized by a QRS duration of less than 120 milliseconds on an EKG. These arrhythmias can be ...
Cervical stenosis (CS) is the medical term for the narrowing of the spinal canal in the cervical or “neck” region of the spine. In CS, the upper part of the spinal canal becomes narrowed, compressing ...