Electrocardiogram (ECG) illustration showing a normal frontal QRS axis. The normal frontal QRS axis distribution range is +90 degrees to approximately -30 degrees. This case is - 15degrees, a normal ECG axis. The R-wave amplitudes of lead I and lead aVL are almost equal. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Bildgröße: | 3500 px × 4235 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |