Paroxysmal supraventricular tachycardia associated with dexmedetomidine withdrawal in an adult liver transplant recipient: A case report

Figure 1 Clinical course and dexmedetomidine administration during the intensive care unit stay. The upper panel shows hemodynamic parameters, including systolic and diastolic blood pressure (shaded area) and heart rate (solid line). The lower panel depicts dexmedetomidine dosing, showing the daily minimum and maximum infusion rates (μg/kg/hour). Paroxysmal supraventricular tachycardia developed immediately after abrupt discontinuation of dexmedetomidine on postoperative day 63, as indicated. Reinitiation of dexmedetomidine resulted in prompt rhythm conversion, followed by successful gradual tapering without recurrence. PSVT: Paroxysmal supraventricular tachycardia; POD: Postoperative day.