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Ventricular tachycardia induced by clonidine withdrawal
British Heart Journal
|June 1, 1985
Summary
Abrupt clonidine withdrawal triggered ventricular tachycardia in a patient with atrial septal defect. Intravenous phentolamine effectively suppressed this tachycardia, unlike lignocaine or procainamide.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Clonidine is an alpha-2 adrenergic agonist used to treat hypertension.
- Abrupt withdrawal of clonidine can lead to a hypertensive crisis and other cardiovascular complications.
- Atrial septal defect (ASD) is a congenital heart condition.