DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Cardiac ablation surgery. Heart X-ray showing catheters (dark curved lines) that have been inserted into a patient's heart during cardiac ablation surgery. X-rays are used by the surgeons to check for correct placement of the catheters. Cardiac ablation is a technique that uses catheters inserted into the heart to heat or freeze tissue to ablate (destroy) the tissue to reset the coronary rhythm. This technique is usually used to treat arrhythmia (an irregular heart beat). This operation was carried out in the UK.
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