This page contains links to outside resources to provide helpful guides and information. 

This is dynamic page, which will be updated  periodically. 

Atrial Filbrillation

Atrial fibrillation he is notoriously hard to detect and  is commonly  a source of the strokes.  Consumer based atrial fibrillation detection is available and Apple watch seems to be the most accurate and most studied tool. 

 Below is a link to Apple's website with discussion on how to enable atrial fibrillation detection