Why the study?
Although various ECG changes occur with normal serum potassium in acute intracranial pathology, giant asymmetrical T-wave changes had not been reported.
Giant asymmetrically peaked T-waves can be a rare ECG manifestation of acute intracranial pathology even in the presence of normal serum potassium levels.
Alerts clinicians to consider intracranial causes for giant T-waves despite normal potassium; case report leaves open generalizability.
Although various changes in electrocardiogram (ECG) were reported with normal serum potassium levels in acute intracranial pathology, giant asymmetrical T-wave change has not been reported. We report a case of a previously healthy male child who presented with acute febrile illness and features of raised intracranial pressure. Full standardized ECG shows normal sinus rhythm and tall, broad, and giant asymmetrically peaked T-wave. Serum potassium, echocardiography, and cardiac injury marker were normal. The child managed with supportive care and antimicrobials and showed recovery in 7 days.
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Rameshkumar et al. (2020) studied this question.
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