• Crit Care Nurs Clin North Am · Sep 2016

    Review

    Paroxysmal Supraventricular Tachycardia: Pathophysiology, Diagnosis, and Management.

    • Salah S Al-Zaiti and Kathy S Magdic.
    • Department of Acute and Tertiary Care, School of Nursing, University of Pittsburgh, 3500 Victoria Street, 336 VB, Pittsburgh, PA 15261, USA. Electronic address: ssa33@pitt.edu.
    • Crit Care Nurs Clin North Am. 2016 Sep 1; 28 (3): 309-16.

    AbstractParoxysmal supraventricular tachycardia (PSVT) is a well-known and thoroughly studied clinical syndrome, characterized by regular tachycardia rhythm with sudden onset and abrupt termination. Most patients present with palpitations and dizziness, and their electrocardiogram demonstrates a narrow QRS complex and regular tachycardia with hidden or inverted P waves. PSVT is caused by re-entry due to the presence of inhomogeneous, accessory, or concealed conducting pathways. Hemodynamically stable patients are treated by vagal maneuvers, intravenous adenosine, diltiazem, or verapamil, hemodynamically unstable patients are treated by cardioversion. Patients with symptomatic and recurrent PSVT can be treated with long-term drug treatment or catheter ablation. Copyright © 2016 Elsevier Inc. All rights reserved.

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