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Triphasic waves in accidental hypothermia.

D C Reutens¹, J W Dunne, S S Gubbay

¹Department of Neurology, Royal Perth Hospital, Western Australia.

Electroencephalography and Clinical Neurophysiology

|October 1, 1990

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Triphasic waves, an EEG pattern, were observed in a patient with accidental hypothermia. These waves resolved as the patient

Area of Science:

Neurology
Neurophysiology

Background:

Triphasic waves are a recognized electroencephalogram (EEG) pattern associated with various encephalopathies.
Their presence indicates diffuse cerebral dysfunction.

Observation:

This report details an elderly patient experiencing moderately severe accidental hypothermia.
Electroencephalogram (EEG) monitoring was performed during the hypothermic event.

Findings:

Distinct triphasic waves were identified on the patient's EEG during hypothermia.
These characteristic EEG abnormalities resolved completely upon rewarming the patient to normothermia.

Implications:

This case suggests a potential association between accidental hypothermia and the occurrence of triphasic waves.

Related Experiment Videos

The findings highlight the utility of EEG in monitoring cerebral function during therapeutic hypothermia and rewarming.

Further research may elucidate the specific pathophysiological mechanisms linking hypothermia and triphasic wave generation.