ECG Quest > Shapes > ST segment > Flat ST segment

Flat ST segment

A flattened ST segment is a subtle sign where the start of the T wave is less smooth and more abrupt than normal. This sign is nonspecific but can be associated with coronary disease, especially if seen in more than one lead.

See also: ST segment

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In the ECGquest archives, this ECG has been tagged with: - Chronic kidney disease Incorrect Machine Interpretation Flat ST segment Peaked T waves Hyperkalemia 12-Lead Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
I saw this computer “normal” ECG in a stack of ECGs I was reading

This ECG is from a woman of unknown age who presented with a clotted dialysis shunt.

This ECG shows peaked T waves and flattened ST segments caused by hyperkalemia.

In the ECGquest archives, this ECG has been tagged with: - Chronic kidney disease Flat ST segment Peaked T waves Hyperkalemia 12-Lead Dr Smith's ECG Blog Dr Ken Grauer CC BY-NC
What is the diagnosis?

This ECG is from a patient on dialysis who presented after a fall.

This ECG shows flattened ST segments and peaked T waves due to hyperkalemia.

In the ECGquest archives, this ECG has been tagged with: - Chest pain Normal Axis Anterior ST elevation Flat ST segment Normal P waves Normal PR Acute Anterior MI 12-Lead Serial 12-lead Dr Smith's ECG Blog CC BY-NC
Serial ECG recordings are essential: paramedic makes a great call! A few minutes later
In the ECGquest archives, this ECG has been tagged with: - Chronic kidney disease Weakness Normal Axis Flat ST segment Long QT Peaked T waves Hyperkalemia Hypocalcaemia 12-Lead ECG Guru Dawn Bean Altman Dr Ken Grauer Jason Roediger CC-BY-NC-SA
Electrolyte Effects

This ECG is from a woman in her 40s who presented with weakness and hyperglycemia on a background of diabetes mellitus.

In the ECGquest archives, this ECG has been tagged with: - Bradycardia Normal Axis Flat ST segment Inverted T waves Normal P waves Normal PR Wide QRS Sinus bradycardia RBBB 12-Lead ECG Interpretation Dr Ken Grauer CC-BY-NC-SA
ECG Interpretation Review – #3 (BBB, Wide QRS, BBB with ST Changes, Ischemia, RBBB vs LBBB)