Anterior Infarction Ecg _best_ · Deluxe & Working
Be alert for these subtle but dangerous LAD occlusion patterns:
The anterior leads are (sometimes extending to V5, V6, and I/aVL depending on the LAD occlusion site). anterior infarction ecg
| | T Wave | ST Segment | Q Wave | R Wave | | :--- | :--- | :--- | :--- | :--- | | Hyperacute (minutes) | Tall, peaked, symmetric | Straightening or slight elevation | None | Normal | | Acute (hours) | Inverted | Convex (dome-shaped) elevation | May appear | Diminishing | | Subacute (days) | Deeply inverted | Returning to baseline | Pathologic Q forms | Poor R progression | | Chronic (weeks+) | Normalized or flat | Isoelectric | Persistent Q waves | Absent R (QS complex) | Be alert for these subtle but dangerous LAD
Any patient with new anterior ST elevation (or Wellens' pattern) and chest pain → activate immediate reperfusion strategy (PCI or thrombolytics). Time is myocardium. The ECG leads that view the anterior wall
The ECG leads that view the anterior wall are the precordial leads, specifically :
