Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.
Supplementary material available online
Online Video 1. Transesophageal echocardiography before tachyarrhythmia. LVAD in situ in the ventilated patient.
Online Video 2. Transesophageal echocardiography during tachyarrhythmia. Note the ventilation-dependent variation in LV filling.
Online Video 3. Transesophageal echocardiography during electrical cardioversion.
Online Video 4. Transesophageal echocardiography shortly after cardioversion.
Supplementary Videos 1 to 4 to be found online at http://tandfonline.com/doi/full/10.3109/08037051.2015.1084638