subject to balance billing(Balance billing refers to the practice of a physician charging a patient when he feels that a third-party insurance provider has not properly reimbursed him for his services. This occurs when the fee charged by the doctor is larger than the payment offered by the insurer. Ying)
triangulation(кардиология) По аналогии с треугольной формой, которую образует график длительности потенциала действия к осям. Prolongation of APD with triangulation means that fast repolarization phase 3) is lengthened). RTG)