ICD Therapy. The ICD was developed in the 1970s as a device to detect and automatically terminate ventricular tachyarrhythmias.5,6 Early ICDs were large devices that required a thoracotomy to implant. Improvements in batteries, capacitors, and microprocessors7 have resulted in the rapid evolution of ICD technology.
A designated Roth contribution is a type of elective deferral that employees can make to their 401(k), 403(b) or governmental 457(b) retirement plan.
Definition of defined-contribution pension plan. Pension plan for which contributions are specified (mandatory or voluntary depending on the scheme), but the amount received by the employee on retirement is not fixed. Instead, it relates to how the funds in the plan have been invested and the return on that investment. The employee normally has the responsibility of deciding how the contributions are invested (though investment choices may be limited by the actual pension fund provider).