The amendments proposed to the Framework for Assurance Engagements arise from conforming. amendments made by the IAASB to the International Framework for Assurance Engagements as a. result of the revision of ISAE 3000 Assurance Engagements other than Audits or Reviews of. Historical Financial Information.
BACKGROUND Recent reports critical of the performance of heart rate-adjusted indexes of ST depression during exercise electrocardiography have used J-point rather than ST segment measurements. However, no standard exists for the optimal time after the J-point at which to measure ST segment deviation.
ST Changes. ST changes generally refer to an elevation or depression in the ST segment (see Normal Heart Beat) of the EKG complex. Both ST segment elevation and depression must be evaluated in conjunction with any patient symptoms with any treatment being directed at fixing the underlying problem.