When the patient had a history of stroke or heart failure, the researchers noted, their prediction model was less accurate. 

The risk of major bleeding or life-threatening bleeding events was higher when clopidogrel was included in the patient's treatment strategy. 

Blood clots are unusually common—and quite fatal—among patients hospitalized with COVID-19.

Anticoagulation therapies are an important part of treating COVID-19 patients—but there appears to be no benefit to taking a more aggressive approach.

Specialists also believe that private insurers will follow Medicare's example and reduce their own reimbursement rates.

Drinking too much alcohol in a given week can put AFib patients at an increased risk of stroke, embolism and other significant health issues.

The study, published in the Journal of Internal Medicine, explored data from a massive patient registry in Sweden. 

The study, published in the European Journal of Preventive Cardiology, included data from nearly 374,000 adult patients. 

Long-term anticoagulation can be recommended for AFib patients 90 years old and older, according to new research.