Definition of "arrhythmic" []

• Lacking rhythm or regularity of rhythm: "a slight arrhythmic imperfection when the car idles” ( Garrison Keillor). (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "She was dying like a dog, a poor, broken animal in the street, kicked and pummeled, the life escaping from her in short arrhythmic gasps."
• "The LifeVest allows a patient's physician time to assess his or her long-term arrhythmic risk and make appropriate plans."
• "The LifeVest, the first and only wearable defibrillator, is worn by patients at risk for sudden cardiac arrest (SCA) while plans are made to manage their long-term arrhythmic risk, including the decision to implant a cardioverter defibrillator (ICD)."