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nodal tachycardia
nod·al tach·y·car·di·a


noun 
Definition:
 
periods of very fast pulse rate: a rapid heart rate of 140-220 beats per minute, occurring for periods ranging from seconds to days
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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