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cessation of atrial contractions, marked by absence of atrial waves in the electrocardiogram.
Synonym(s): auricular standstill
Farlex Partner Medical Dictionary © Farlex 2012
atrial standstillA transient or permanent electrical atrial failure—and non-contractility of atria—which is seen in patients with familial amyloidosis and facioscapulohumeral dystrophy, possibly due to perineural infiltration.
Absent P waves.
Absent A waves.
Congenital atrial standstill is linked to a mutation of SCN5A, which encodes a voltage-gated sodium channel.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
a·tri·al stand·still(ā'trē-ăl stand'stil)
Cessation of atrial contractions, marked by absence of atrial waves in the electrocardiogram.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012