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2004, Number 3

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Arch Cardiol Mex 2004; 74 (3)

Usefulness of simple scheme for the diagnosis of cardiac arrhythmias

Fuenmayor AAJ, Aranguibel L, Ferrer J, Pulido M, Fuenmayor PAM
Full text How to cite this article

Language: Spanish
References: 4
Page: 200-204
PDF size: 96.89 Kb.


Key words:

Tachycardia, Electrocardiogram, Diagnosis, Algorythm.

ABSTRACT

Objective: To determine whether an algorythm designed at our Electrophysiology Unit could facilitate the electrocardiographic diagnosis of tachyarrhythmias. Methods: Twenty two first-year cardiology residents, general practitioners and last-year medical students attended an electrophysiology course. One hundred ECG of tachyarrhythmic patients were distributed to the participants who were then randomly divided into 2 groups. Group A analyzed the ECG with the help of the algorythm, whereas Group B analyzed them without it. Results were compared to those obtained by an electrophysiologist. Results: Group A diagnosis coincided with that of the electrophysiologist in 41% of the cases. In Group B the concordance reached 64% (p = 0.0000013). There was no between-group difference regarding the type and number of uninterpreted ECG. Conclusions: The decision tree increases diagnostic accuracy in less expert hands. This could in turn entail an improvement in the therapeutic measures applied to the study of arrhythmias.


REFERENCES

  1. Stewart RB, Baray GH, Greene HL: Wide complex tachycardia: misdiagnosis and outcome after emergent therapy. Ann Intern Med 1986; 104: 771-76.

  2. Brugada P, Brugada J, Mont L, Smeets J, Andries EW: A New Approach to the Differential Diagnosis of a Regular Tachycardia With a Wide QRS Complex. Circulation 1991; 83: 1649-1659.

  3. Kindwall KE, Brown J, Josephson ME: Electrocardiographic Criteria for Ventricular Tachycardia in Wide Complex Left Bundle Branch Block Morphology Tachycardias. Am J Cardiol 1988; 61: 1279-1283.

  4. Bar FW, Brugada P, Dassen WRM, Wellens HJJ: Differential Diagnosis of Tachycardia With Narrow QRS Complex (Shorter Than 0,12 Second). Am J Cardiol 1984; 54: 555-560.




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Arch Cardiol Mex. 2004;74