Osborn wave

An Osborn Wave occurs at the J point and is classically associated with hypothermia. It is also known as a J wave. Other causes include normal variants, hypercalcemia, intracranial events and medication effects.

See also: Other waves

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In the ECGquest archives, this ECG has been tagged with: - Loss of consciousness 12-Lead Bradycardia Normal Axis Osborn wave Regular Hypothermia ECG Interpretation CC-BY-NC-SA
ECG Blog #149 (ST Elevation – J-Point – Osborn – Hypothermia – Pericarditis – Acute STEMI)

This ECG is from a man in his 20s who was found 'down' in front of his house. He had a history of alcohol consumption. He was not lucid enough to answer questions.

In the ECGquest archives, this ECG has been tagged with: - Loss of consciousness 12-Lead Normal Axis Osborn wave Regular Tachycardia Hypothermia Dr Smith's ECG Blog CC BY-NC
An interesting finding, and absence of another, in an intoxicated patient found down
In the ECGquest archives, this ECG has been tagged with: - 12-Lead Movement artefact Osborn wave Hypothermia LITFL CC-BY-NC-SA
Shivering artefact in a patient with hypothermia

This ECG is from a patient of unknown age who presented with hypothermia.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Movement artefact Bradycardia Osborn wave Hypothermia LITFL CC-BY-NC-SA
Hypothermia

This ECG is from a patient of unknown age who presented with hypothermia.

In the ECGquest archives, this ECG has been tagged with: - 12-Lead Osborn wave Short QT Wide QRS Hypercalcaemia LITFL CC-BY-NC-SA
Severe hypercalcaemia from parathyroid adenoma

This ECG is from a man in his 40s who presented critically unwell on a background of a parathyroid adenoma.