Table 3 Barriers to acquiring full BSE recommended LV quantification dataset

Raised BSA (> 2 m² male, 1.6 m² female)

14

7

7

Insufficient myocardial border tracking

30

12

8

Low BSA (< 1.7 m² male, < 1.6 m² female)

4

2

1

Septal dyssynchrony

2

2

1

Arrhythmia (AV block or frequent ectopy)

5

1

0

Post-surgical dressings in situ

2

1

1

Technical error (poor ECG signal, incomplete acquisition)

2

1

0

Chest wall deformity (pectus excavatum or carinatum)

1

1

1

Total

60

27

19