New Concepts Relating to the Preexcitation Syndrome FREE

M. Irené Ferrer, MD

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JAMA. 1967;201(13):1038-1039. doi:10.1001/jama.1967.03130130064015

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References

ABSTRACT

ABSTRACT | REFERENCES

Since its original description in 1930, considerable controversy has centered on the basic explanation for the anomalous atrioventricular (AV) conduction seen in the preexcitation or Wolff-Parkinson-White (WPW) syndrome.¹ An abnormally short PR interval associated with a prolonged QRS containing a delta wave (an initial slurring or thickening of the first wave of the QRS complex, be this an R or an S) in the presence of sinus rhythm is the classic criteria for its electrocardiographic diagnosis.² The delta wave represents the early excitation of the ventricles. However, in addition to this form of anomalous AV conduction, several variants have come to be recognized.^3-5 These include a short PR interval (less than 0.12 seconds) with a normal QRS, ie, a QRS with normal duration and no delta wave and a normal or even prolonged PR interval coupled to a prolonged QRS containing a delta wave. Recent and very

REFERENCES

ABSTRACT | REFERENCES

Wolff L.; Parkinson, J.; and White, P.D.: Bundle Branch Block With Short PR Interval in Healthy Young People Prone to Paroxysmal Tachycardia , Amer Heart J 5:685-704 ( (Aug) ) 1930;.

Bellet, S.: Clinical Disorders of the Heart Beat , ed 2, Philadelphia: Lea & Febiger, 1963;.

Friedberg, C.K.: Diseases of the Heart , ed 3, Philadelphia: W.B. Saunders Co., 1966;, p 631.

Fox, T.T.: Aberrant Atrio-Ventricular Conduction in a Case Showing a Short PR Interval and an Abnormal but Not Prolonged QRS Complex , Amer J Med Sci 209:199-203 ( (Feb) ) 1945;.

Borduas, J.L., et al: Studies on the Mechanism of Ventricular Activity: XIV. Clinical and Experimental Studies of Accelerated Auricula-Ventricular Conduction , Circulation 11:69-88 ( (Jan) ) 1955;.

Lev, M.: "The Pre-Excitation Syndrome: Anatomic Considerations of Anomalous A-V Pathways," in Dreifus, L.S., and Koff, W.S. (eds.): Mechanisms and Therapy of Cardiac Arrhythmias , New York: Grune & Stratton, Inc., 1966;, pp 665-670.

James, T.N.: "Identification of the Supraventricular Arrhythmias: The Specialized Conducting Tissue of the Atria," in Dreifus, L.S., and Koff, W.C. (eds.): Mechanisms and Therapy of Cardiac Arrhythmias , New York: Grune & Stratton, 1966;, pp 97-106.

Prinzmetal, M., et al: Accelerated Conduction: The Wolff-Parkinson-White Syndrome and Related Conditions , New York: Grune & Stratton, 1952;.

James, T.N.: Morphology of the Human Atrioventricular Node: With Remarks Pertinent to Its Electrophysiology , Amer Heart J 62:756-771 ( (Dec) ) 1961;.

Mahaim, I., and Benatt, A.: Nouvelles Recherches sur les Connexions Superieures de la Branche Gauche du Faisceau de His-Tawara avec la Cloison Interventriculaire , Cardiologia 1:61-73, 1937;.

Lev, M., et al: Anatomic Findings in a Case of Ventricular Pre-Excitation (W-P-W) Terminating in Complete Atrioventricular Block , Circulation 34:718-733 ( (Nov) ) 1966;.

Sherf, L., and James, T.N.: A New Look at Some Old Questions in Clinical Electrocardiography , Henry Ford Hosp Med Bull 14:265-308 ( (Sept) ) 1966;.

Harnischfeger, W.W.: Hereditary Occurrence of the Pre-Excitation (W-P-W) Syndrome With Re-entry Mechanism and Concealed Conduction , Circulation 19:28-40 ( (Jan) ) 1959;.

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