When you have transthyretin amyloid cardiomyopathy (ATTR-CM), proteins called amyloids build up in your heart, stiffening the muscle and interfering with its ability to pump blood throughout the body.

Smartwatches with both PPG and ECG functionality improve the detection of atrial fibrillation in comparison with standard care. Researchers from Amsterdam UMC analysed the data from 437 patients and ...