Key result
Transient entrainment by ventricular and atrial stimulation was achieved in 11 and 8 of 13 bundle-branch reentrant tachycardias, respectively, aiding differentiation from other wide-QRS mechanisms.
Why the study?
Can transient entrainment by atrial and ventricular stimulation differentiate bundle-branch reentrant tachycardia from other wide-QRS-complex tachycardias?
Observational (n=9)
Can transient entrainment by atrial and ventricular stimulation differentiate bundle-branch reentrant tachycardia from other wide-QRS-complex tachycardias?
Analysis of ECGs during transient entrainment by atrial and ventricular stimulation can help differentiate bundle-branch reentrant tachycardia from other wide-QRS-complex tachycardias.
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May aid differentiation of bundle-branch reentrant tachycardia; leaves open need for prospective validation.
Merino et al. (1999) conducted an observational in Bundle-branch reentrant tachycardia (BBRT) (n=9). Atrial and ventricular stimulation was evaluated on Achievement of transient entrainment and QRS complex morphology changes. Transient entrainment by ventricular and atrial stimulation was achieved in 11 and 8 of 13 bundle-branch reentrant tachycardias, respectively, aiding differentiation from other wide-QRS mechanisms.
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