A number of changes in electrocardiogram may develop in a patient with acute subarachnoid hemorrhage.
depression or elevation
wide, prominent, inverted
The ST and T wave changes may be misdiagnosed as an acute myocardial infarction.
Risk factors for severe prolongation of the QTc interval (Fukui et al):
(1) female gender
(2) hypokalemia < 3.5 mmol/L
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Specialty: Cardiology, Neurology