administration of IV beta-blockers within a few hours of
IV diltiazem,
atrial fibrillation or flutter associated with an accessory
bypass tract (Wolff-Parkinson-White or short PR
syndromes),
cardiogenic shock,
heart block (second or third-degree atrioventricular without a
functioning ventricular pacemaker),
hypersensitivity to diltiazem product,
symptomatic (90 mmHg or less systolic) hypotension,
newborns,
sick sinus syndrome without a functioning ventricular
pacemaker,
ventricular tachycardia(may lead to hemodynamic
deterioration and ventricular fibrillation). |