Table 1 The QT and QTc intervals of two electrocardiograms (ECGs) of the patient
Parameters | ECG | I | II | III | aVR | aVL | aVF | V1 | V2 | V3 | V4 | V5 | V6 | Mean | Dispersion |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
QT intervals (ms) | a | 348 | 339 | 346 | 342 | 342 | 335 | 335 | 356 | 356 | 351 | 353 | 346 | 346 | 21 |
b | 374 | 366 | 366 | 382 | 368 | 351 | 364 | 373 | 370 | 373 | 368 | 368 | 369 | 26 | |
QTc interval (ms) | a | 426 | 415 | 423 | 419 | 419 | 410 | 410 | 436 | 436 | 430 | 432 | 419 | 423 | 31 |
b | 502 | 491 | 491 | 512 | 493 | 471 | 488 | 500 | 496 | 500 | 493 | 493 | 494 | 41 |