Hospital surgical pre-assessment unit. Patient undergoing an ECG (electrocardiogram) test in the surgical pre-assessment unit of a hospital. Electrocardiography records the electrical activity of a person's heart and helps in checking for any pre-existing conditions that may cause problems during surgery. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Life In View |
Taille de l’image : | 5124 px × 3416 px |
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