Key result
Cerebral hemorrhage was associated with tall upright T waves featuring a maximal T/QRS ratio of 1.32 in lead V4, despite the absence of hyperkalemia or myocardial damage.
Giant peaked upright T waves can occur in the setting of cerebral haemorrhage in the absence of hyperkalaemia or myocardial damage.
Tall T waves may prompt cerebral hemorrhage consideration without hyperkalemia or injury; single case leaves open prospective validation.
Tall upright T waves, with a maximal T/QRS ratio (in lead V4) of 1.32, appeared in a 52-year-old patient after a cerebral haemorrhage which was confirmed at necropsy. Hyperkalaemia during life and endocardial or myocardial damage were not found.
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RUNGE et al. (1970) studied this question. Cerebral hemorrhage was associated with tall upright T waves featuring a maximal T/QRS ratio of 1.32 in lead V4, despite the absence of hyperkalemia or myocardial damage.
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