Dexmedetomidine Versus Fentanyl Following Pressure Equalization Tube Placement

Inclusion Criteria: * functional status as assigned by the American Society of Anesthesiology (ASA) classification of I or II (no or minimal co-morbid disease) * patients scheduled for placement of bilateral myringotomy tubes Exclusion Criteria: * history of allergy to either dexmedetomidine or fentanyl * concomitant use of medications which may exaggerate the HR response of dexmedetomidine including digoxin or β-adrenergic antagonists.