Figure 7. The classical ECG curve and the events reflected on it. The ECG curve above displays a QRS-complex consisting of Q-, R- and S-wave, but one or more of these can be missing.

Figure 7. The classical ECG curve and the events reflected on it. The ECG curve above displays a QRS-complex consisting of Q-, R- and S-wave, but one or more of these can be missing.

The Cardiovascular 2026