ECG modalities | ECHO techniques | |||||
---|---|---|---|---|---|---|
12-lead ECG | 24-hour Holter | External event recorder | Invasive monitoring | TTE | TOE | |
None | 0% 0 | 4% 2 | 38% 18 | 43% 21 | 2% 1 | 18% 9 |
<25% | 4% 2 | 22% 11 | 48% 23 | 53% 26 | 40% 21 | 80% 39 |
25–49% | 4% 2 | 18% 9 | 8% 4 | 4% 2 | 26% 13 | 0% 0 |
50–75% | 2% 1 | 14% 7 | 0% 0 | 0% 0 | 16% 8 | 0% 0 |
>75% | 94% 48 | 42% 21 | 6% 3 | 0% 0 | 14% 7 | 2% 1 |
ECHO, echocardiographic; TOE, transoesophageal echocardiogram; TTE, transthoracic echocardiography.