Atrioventricular nodal reentrant tachycardia and cannon A waves

We present a case of a 90-year-old woman presenting with shortness of breath in which the ECG was not diagnostic, but the presence of regular neck pulsations helped secure the diagnosis of AVNRT. In AVNRT, atria and ventricular contractions occur nearly simultaneously.
Source: The American Journal of Emergency Medicine - Category: Emergency Medicine Authors: Tags: Case Report Source Type: research