Meglumine ioxaglate (64 g iodine/200 mL) was used as a nonionic contrast medium. Vessel diameters were measured by quantitative coronary angiography (QCA Artrek), 20 as previously reported. 1819 Three ...

Selective coronary arteriography produces characteristic ST-T changes associated with significant axis shifts. In patients with normal control ÂQRS (mean, +88.6°; sd ± 12.2°) left coronary injections ...