Innovative transthoracic echocardiographic imaging on prone ventilated patients with COVID-19 using a transesophageal probe

Coronavirus disease 2019 (COVID-19) is causing severe pneumonia leading to acute respiratory distress syndrome, a condition where prone ventilation for >12 h/day has proven beneficial ([1][1]). Transthoracic echocardiography (TTE) to assess COVID-19-related cardiac complications ([2][2]) is very