Alteration of ventricular repolarization by intracoronary infusion of normal saline in patients with variant angina.
2009
Background and Objectives
During coronary angiography and interventional procedures, catheters that are engaged in a coronary ostium are routinely flushed, typically with normal saline, to expel blood from the catheter or to inject a pharmacologic agent. Saline contains sodium and chloride ions. Such injections may affect the electrophysiologic properties of the myocardium; however, the effect of normal saline on ventricular repolarization has not been established in patients with variant angina.
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