corridor procedure

Cardiac surgery A procedure for atrial fibrillation in which the atria are divided into 3 compartments—right atrium, corridor from sinus node to A-V node, left atrium
Post-op The corridor is free of atrial fibrillation, sinus rhythm is preserved; atrial synchrony is lost
Neurosurgery Microvascular decompression of cranial nerves
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corridor procedure

Heart surgery Giraudon procedure A procedure for A Fib in which the atrium is divided into 3 compartments–right atrium, corridor from sinus node to A-V node, left atrium; post-op, the corridor is free of A Fib, sinus rhythm is preserved; atrial synchrony is lost. Cf Maze procedure.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.