ECG Quest > Shapes > ST segment > Straightened ST segment

Straightened ST segment

A straightened ST segment lacks the usual concave shape in leads V2-V6. It can be a subtle sign of coronary occlusion.

See also: ST segment

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In the ECGquest archives, this ECG has been tagged with: - Chest pain Anterior ST elevation Straightened ST segment 12-Lead Dr Smith's ECG Blog CC BY-NC
A 50-something with chest pain presents to a Non-PCI capable facility

This ECG is from a man in his 50s who presented with chest pain.

This ECG shows subtle anterior ST elevation with fragmented QRS and straightened ST segment. The cause was an occluded LAD stent, along with 90% stenosis of RCA and 70% circumflex stenosis.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Left Axis Deviation Nonspecific baseline artefact Anterior ST elevation Hyperacute T waves Straightened ST segment Acute Anterior MI 12-Lead Serial 12-lead Dr Pendell Meyers Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
A Tale of 2 Occlusions in the Same Patient: one with Expert ECG interpretation, the Other Without -fifth repeat ECG on day 2, after morphine

This ECG is from a man in his 40s who presented with chest discomfort and diaphoresis since waking a few hours earlier, on a background of prior infarction with PCI years ago, active smoking, high cholesterol and hypertension. This was the repeat ECG on day 2, after pain returned with nausea and diaphoresis that was exactly like his initial pain and did not resolve with morphine.