Illustration of an electrocardiogram (ECG) displaying sinus arrhythmia, a condition characterised by irregular heart rhythms originating from the sinus node. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kon, Kateryna |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |