Electrocardiogram (ECG) illustration showing normal frontal QRS axis. The normal frontal QRS axis distribution range is +90 degrees to approximately -30 degrees. This case is +53 degrees, a normal ECG axis. The amplitude of R wave in lead II is the highest. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Bildgröße: | 3500 px × 4363 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |