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. 2022 Nov 4;6(11):e37280. doi: 10.2196/37280

Table 4.

Cardiologist review of 1-lead electrocardiogram (ECG) versus 12-lead ECG: P-wave, T-wave, and QRS-complex visibility.


Identified (n) and accuracy (%) (n=262)
Visibility

P wave 254 (96.9)

QRS complex 260 (99.2)

T wave 239 (99.5)
Polaritya

P wave 88 (100)

QRS complex 254 (98.8)

T wave 183 (99.5)

an=88, n=257, and n=184 for P wave, QRS complex, and T wave, respectively.