Anticoagulation prevents strokes in atrial fibrillation, but it does so by making a patient bleed more easily — and for some patients, that trade-off tips the wrong way. HAS-BLED is the score most widely used to estimate how much that bleeding risk actually is, and just as importantly, how much of it a clinician can do something about. What HAS-BLED measures HAS-BLED assigns one point…
