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Tag J wave
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Osborn Wave (J Wave)

The Osborn wave (J wave) is a positive deflection at the J point (negative in aVR and V1). It is usually most prominent in the precordial leads and most commonly associated with hypothermia.
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John Osborn

John J Osborn (1917 – 2014) was an American intensivist, pediatrician and inventor. Eponym: 'current of injury' Osborn wave - 1953
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ECG Case 074

97 year old gentleman found unconscious at home. Brought into emergency by ambulance at 10am having last been seen at 8pm the evening before.