Absence of P Waves A lack of visible P waves preceding QRS complexes suggests a lack of sinus beats ; this may occur with sinus dysfunction or in the presence of fibrillation or flutter waves. The P wave may also be hidden within the QRS complex.
Absence of P Waves A lack of visible P waves preceding QRS complexes suggests a lack of sinus beats ; this may occur with sinus dysfunction or in the presence of fibrillation or flutter waves. The P wave may also be hidden within the QRS complex.