Electrocardiogram (ECG) illustration showing a normal wave in lead V1. Under normal circumstances the sinus P wave in lead V1 can be positive and negative biphasic, the QRS complex is dominated by the S wave, and the T wave can be inverted. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Taille de l’image : | 2800 px × 5048 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |