ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Cardiac monitoring device. Frontal X-ray of the chest of a 32-year-old woman who has been fitted with a electrocardiographic monitoring device (implantable loop recorder, centre right). This is a subcutaneous device used for diagnosis in patients with unexplained recurrent episodes of palpitations or syncope (fainting), and for long-term monitoring in patients at risk for atrial fibrillation (a type of abnormal heart rhythm).
Model release not required. Property release not required.