Effect of atenolol on QT interval and dispersion in patients with syndrome X.
Atenolol reduces QT dispersion and corrected QT interval in patients with syndrome X. This suggests that symptomatic improvement induced by atenolol in syndrome X patients may be partly related to reduction in abnormally augmented sympathetic tone.
Leonardo
F
F
Department of Cardiology, Istituto H San Raffaele, Milano-Roma, Roma, Italy.
Fragasso
G
G
Rosano
G M
GM
Pagnotta
P
P
Chierchia
S L
SL
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D001262:Atenolol / Q000627:therapeutic use*; D004562:Electrocardiography / Q000187:drug effects*; D005260:Female; D006801:Humans; D008297:Male; D017566:Microvascular Angina / Q000188:drug therapy*; D008875:Middle Aged
D000319:Adrenergic beta-Antagonists; D001262:Atenolol