• P waves differ in appearance from sinus P waves.
• QRS complexes are of normal duration if no ventricular conduction disturbances are present.

Subtopic(s)

• Wandering Atrial Pacemaker (WAP)
• Multifocal Atrial Tachycardia (MAT)
• Premature Atrial Contraction (PAC)
• Atrial Tachycardia
• Supraventricular Tachycardia (SVT)
• Paroxysmal Supraventricular Tachycardia (PSVT)
• Atrial Flutter (A-Flutter)
• Atrial Fibrillation (A-Fib)
• Wolff-Parkinson-White (WPW) Syndrome