Figure 3

Figure 3 : 

Diagnosis of ‘J waves’ during acute coronary syndrome (ACS). (A) Patient who experienced cardiac arrest at the initial phase of an anterior ACS; ‘J waves’ are already visible during the phase of ST-segment elevation. (B) Inferolateral ACS with ST-segment elevation in leads II, III, aVF, V4 and V6 but with no visible notching; detection of ‘J waves’ in leads V5 to V6 after return of the ST segment to the isoelectric line.