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.
vs. NetIQ Identity Manager. Risk-based authentication (RBA) is a method of applying varying levels of stringency to authentication processes based on the likelihood that access to a given system could result in its being compromised.isk-based authentication can be categorized as either user-dependent or transaction-dependent. User-dependent RBA processes employ the same authentication for every session initiated by a given user; the exact credentials that the site demands depend on who the user is.