The combined use of esophageal electrocardiogram and multiple right parasternal chest leads in the diagnosis of PSVT and determination of accessory pathways involved: A new simple noninvasive approach

Oesophageal electrocardiography in healthy horses

“…Due to the proximity of the left atrium to the oesophagus, P waves are magnified, which facilitates P wave identification. As such, oesophageal electrocardiography is used for diagnosis of supraventricular dysrhythmias, localisation of ectopic foci and therapeutic atrial pacing [7–9].…”