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.
You are exactly right about PR depression. The teachings on measurement of ST elevation are very variable throughout the decades. In the thrombolytic trials of the 1980s, the physicians did not have any instructions on how to measure STE. The ACC now says to measure at the J-point, relative to the PQ jct.