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Original Research

Relationship Between an Ischaemic J Wave Pattern and Ventricular Fibrillation in ST-Elevation Myocardial Infarction Patients

, , , , , & ORCID Icon show all
Pages 8725-8735 | Published online: 23 Nov 2021

Figures & data

Figure 1 ECG of a 46-year-old man with chest pain for 1 hour at the time of admission. Leads II, III, and AVF show a slur-type ischaemic J wave (indicated by red arrows). CAG showed the culprit artery to be the LAD, which was consistent with the leads showing an ischaemic J wave. Twenty-seven minutes later, an ischaemic J wave in leads II and III and AVF disappeared, indicating that the J wave occurred in the very early phase and changed with the development of ischaemia.

Figure 1 ECG of a 46-year-old man with chest pain for 1 hour at the time of admission. Leads II, III, and AVF show a slur-type ischaemic J wave (indicated by red arrows). CAG showed the culprit artery to be the LAD, which was consistent with the leads showing an ischaemic J wave. Twenty-seven minutes later, an ischaemic J wave in leads II and III and AVF disappeared, indicating that the J wave occurred in the very early phase and changed with the development of ischaemia.

Figure 2 The ECG of a 55-year-old man presenting with chest pain for approximately 1 h. A notch J wave (indicated by red arrows) is present in leads II, III, AVF, and V6 with ST segment elevation consistent with the scope of blood supply to the RCA.

Figure 2 The ECG of a 55-year-old man presenting with chest pain for approximately 1 h. A notch J wave (indicated by red arrows) is present in leads II, III, AVF, and V6 with ST segment elevation consistent with the scope of blood supply to the RCA.

Figure 3 A BrP in leads V1-V4 and sudden cardiac death occurred in this patient. A BrP with ischaemic J wave is indicated by the red arrows.

Figure 3 A BrP in leads V1-V4 and sudden cardiac death occurred in this patient. A BrP with ischaemic J wave is indicated by the red arrows.

Table 1 Characteristics of STEMI Patients

Table 2 Univariate and Multivariate Logistic Regression Analyses of Ventricular Fibrillation Occurrence

Table 3 Univariate and Multivariate Logistic Regression Analyses of Ventricular Fibrillation

Figure 4 The records for the patient are shown in . When he returned to the CCU after the procedure, ventricular arrhythmia was noted, and he was shocked immediately. He declined an ICD implant and requested discharge 7 days later.

Figure 4 The records for the patient are shown in Figure 3. When he returned to the CCU after the procedure, ventricular arrhythmia was noted, and he was shocked immediately. He declined an ICD implant and requested discharge 7 days later.