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+## About Dataset
+### Context
+This is a dataset of 1,676 cropped X-rays across 45 different classes of pacemakers, defibrillators and implantable loop recorders.
+
+### Content
+The dataset is set into 'train' and 'test' folders, corresponding to the split used in the original paper, accessivle here.
+
+The testing set comprises 5 examples of each class; the training set comprises between 20 and 35 separate examples.
+
+Images are of 224 x 224 resolution, with zero-padding as necessary to ensure they are square.
+
+### Acknowledgements
+If you use this dataset, we would appreciate if you could cite the original manuscript:
+
+JACC Clin Electrophysiol. 2019 May;5(5):576-586. doi: 10.1016/j.jacep.2019.02.003. Epub 2019 Mar 27. Cardiac Rhythm Device Identification Using Neural Networks.
+
+We thank the Health Research Authority and the Research Governance and Integrity Team at Imperial College for ethical permission to release this dataset (Integrated Research Application System identifier 249461).
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