Electrocardiographic Changes at the Acute Phase of Cerebrovascular Disease.

79 patients with acute phase cerebrovascular disease (41 male, 38 female, mean age 61.5 years), including cerebral hemorrhage (n=42), cerebral infarction (n=27), and subarachnoid hemorrhage (n=10). Patients with atrial fibrillation or bundle branch block were excluded.

Frequency of elongated QTc intervals (≥0.45 seconds) and correlation between R-R and Q-T intervals on admission electrocardiogramsurrogate