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The grades of ischaemia.

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Presentation on theme: "The grades of ischaemia."— Presentation transcript:

1 The grades of ischaemia.
The grades of ischaemia. In leads with usual Rs configuration (leads V1–V3): grade I, tall symmetrical T wave without ST elevation; grade II, ST elevation without distortion of the terminal portion of the QRS complex; grade III, ST elevation with distortion of the terminal portion of the QRS (no S waves in leads V1–V3) (arrow). In leads with usual qR configuration: grade I, tall symmetrical T wave without ST elevation; grade II, ST elevation with J point/R wave ratio <0.5; grade III, ST elevation with J point/R wave ratio ⩾0.5 (arrow). Y Birnbaum, and B J Drew Postgrad Med J 2003;79: Copyright © The Fellowship of Postgraduate Medicine. All rights reserved.

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