Chapter 4

Discrimination

Telling supraventricular from ventricular: PR Logic, Wavelet morphology, onset and stability, and the ways single- and dual-chamber discrimination can be fooled.

The cases

1Discriminators available on a single-chamber defibrillator 2Sudden onset criterion and sinus tachycardia 3Choice of discriminators in a single-chamber defibrillator 4Single-chamber defibrillator and new recommendations 5Single-chamber defibrillator and SVT V. Limit 6Limitations of discrimination based on Wavelet 7Discrimination and atrioventricular conduction disorders 8Discrimination and conduction disorders 9Using single-chamber discriminators in a dual-chamber defibrillator 10Triple-chamber defibrillator and V limit. SVT 11Dual-chamber defibrillator and atrioventricular dissociation 12PR Logic versus Wavelet 13Dual-chamber discrimination and atrial detection 14Double-chamber discrimination and exertion in a young patient 151/1 tachycardia, PR Logic, Wavelet 16PR Logic and conducted AF 17Conducted AF, PR Logic and Wavelet 18AF with regular ventricular response, PR Logic and Wavelet 19PR Logic and atrial flutter 20Double-chamber discrimination and bi-tachycardia

From Medtronic ICD — clinical cases by P. Bordachar, A. Thiyagarajah, L. Fontagne, M. Strik, S. Ploux. Published by Cardiocases. Every numbered marker on a recording is explained in the list beneath it; tap a marker on the trace or an entry in the list.

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