Mnemonic: CHADS2 Score Determines Who Needs Anticoagulation in Atrial Fibrillation

CHADS2 (Cardiac failure, Hypertension, Age, Diabetes, Stroke [Doubled]) index is based on a point system in which 2 points are assigned for a history of stroke or TIA and 1 point each is assigned for age over 75 years and a history of hypertension, diabetes mellitus, or recent heart failure, as shown in this table.

EKG of atrial fibrillation

CHADS2 score was included in the ACC/AHA/Physician Consortium 2008 Clinical Performance Measures for Adults With Nonvalvular Atrial Fibrillation or Atrial Flutter. Patients with a score greater than one typically are treated with warfarin.

MDCalc has an online calculator for CHADS2.

Generally, I find mnemonics useful and have listed some that I made up when studying for USMLE and ABIM at Medical Mnemonics. There are more than 1,000 mnemonics in my database and I hope to publish them online one day in not too distant future.

NorthShore University HealthSystem Cardiac Electrophysiologists Wes Fisher, M.D., Jose Nazari, M.D. and Alex Ro, M.D. discuss atrial fibrillation.

Senator Warner Has Atrial Fibrillation Recurrence. Dr. Wes.
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Medical Mnemonics

Updated: 08/11/2009

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