presents
Wheeless' Textbook of Orthopaedics
www.wmt.com
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PAROXYSMAL NODAL TACHYCARDIA


- may produce inverted P waves which can appear immediately before or just after each QRS complex in the tachycardia; Causes of Irregular Tachycardia: 1) A. Fib 2) MAT 3) Sinus Tach w/ PAC's 4) Sinus Tach w/ PVC's - Look for R on T pattern - Multifocal PVC's - PVC Salvos: 3 or more in a row; - PVC: More than 5/min;



Original Text by Clifford R. Wheeless, III, MD.