How is the risk of stroke determined in holiday heart syndrome (HHS)?

Updated: May 30, 2018
  • Author: Lawrence Rosenthal, MD, PhD, FACC, FHRS; Chief Editor: Jose M Dizon, MD  more...
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All major guidelines note that one of the major management decisions in AF is determining the risk of stroke and the appropriate anticoagulation regimen for low-, intermediate-, and high-risk patients. For each anticoagulant, the benefit in terms of stroke reduction must be weighed against the risk of serious bleeding, with the risk-benefit ratio generally considered not advantageous in low-risk patients with AF. Thus, the guidelines stress that clinical judgment and patient preferences should play a major role in shared decision making. [30, 31, 35, 36]

The CHADS2 score (Cardiac failure, Hypertension, Age >75 years, Diabetes, prior Stroke or TIA [transient ischemic attack] or Thromboembolism [doubled]) is the most widely used algorithm to determine yearly thromboembolic risk. Two points are assigned for a history of stroke or TIA, and 1 point is given for age older than 75 years or a history of hypertension, diabetes, or heart failure. [37]

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