Are you wondering whether your smartwatch can detect atrial fibrillation (AF) or rythm disorders? Or whether you might actually need an ILR (implantable loop recorder)? This guide gives you a clear, updated overview of what smartwatches can  and cannot  do when it comes to heart rhythm - and when a Holter monitor, patch monitor or ILR is the right choice. The article is written for patients, but is also relevant for GPs and healthcare professionals. Are ILR useful in assessin