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Fig.1 shows a premature atrial complex (PAC) introduced during a narrow QRS tachycardia. What is the response and what is the interpretation? The tachycardia is a regular RBBB tachycardia with… Click to show full abstract
Fig.1 shows a premature atrial complex (PAC) introduced during a narrow QRS tachycardia. What is the response and what is the interpretation? The tachycardia is a regular RBBB tachycardia with cycle length of 440 ms and ventriculo-atrial interval of 30 ms. There is near simultaneous activation of atrium and ventricle during tachycardia. Presence of His deflection prior to the QRS makes ventricular tachycardia unlikely as the mechanism. The differentials enter-
Keywords:
response;
atrial complex;
premature atrial;
narrow qrs;
tachycardia;
qrs tachycardia
Journal Title: Indian Pacing and Electrophysiology Journal
Year Published: 2018
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Journal Title: Indian Pacing and Electrophysiology Journal
Year Published: 2018
Link to full text (if available)
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recommendations!