During the resting MUGA, the patient lies stationary, whereas during a stress MUGA, the patient is asked to exercise during the scan. The stress MUGA measures the heart performance during exercise and is usually performed to assess the impact of a suspected coronary artery disease. In some rare cases, a nitroglycerin MUGA may be performed, where nitroglycerin (a vasodilator) is administered prior to the scan.
An RMA (return merchandise authorization) is a numbered authorization provided by a mail-order merchant to permit the return of a product. 1  Most mail-order businesses have a policy concerning returns. Some companies allow only defective products to be returned; others allow any software to be returned if it is unopened.
DEFINITION of 'Special Memorandum Account-SMA'. A special account where excess margin generated from a client's margin account is deposited. Also known as special miscellaneous account.f this excess amount is held in the account and the stock position produces a capital loss at a later date, the client would lose his or her gain entirely. An SMA can also hold interest and dividend payments from long positions and proceeds from closing out a securities position.