Table 1.

Remote telementored post-tube thoracostomy removal lung examinations

Case	Nurse location	Mentor location	Right lung field	Left lung field	Comment
1	Trauma ward	Office	True negative	False negative	Very tiny apical PTX on upright CXR, clinically insignificant
2	Trauma ward	Office	True negative	True positive	PTX on US confirmed on upright CXR
3	Trauma ward	Office	True negative	True negative
4	ICU	Office	True negative	True negative	Well-defined B-lines increased confidence in excluding PTX
5	Neurosurgery ward	Home	True negative	True negative
6	Neurosurgery ward	Office	True negative	True negative
7	Trauma ward	Hotel, UK	False negative	True negative	Trans-Atlantic case reference standard result still uncertain
8	Trauma ward	Office	True positive	True negative	Subcutaneous emphysema clearly noted and determined abnormal
9	Trauma ward	Office	True negative	True negative
10	Trauma ward	Office	True negative	True positive	Final impression was sub-Q emphysema
11	Trauma ward	Office	True negative	True negative	First case with M-mode capability
12	Trauma ward	Office	True negative	True negative
13	Trauma ward	Office	True negative	True positive	Bedside nurse was guided to make diagnosis the first time she ever held the ultrasound probe