Electrocardiogram (ECG) illustration showing a long QT interval (top) and a normal QT interval (bottom). | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CHONGQING TUMI TECHNOLOGY LTD |
Taille de l’image : | 2674 px × 2821 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |