Ventriculophasic Sinus Arrhythmia - ECG Diagnosis • The P to P interval encompassing a QRS complex is shorter than the intervals without an intervening QRS complex. • Ventriculophasic sinus arrhythmia is noted in the presence of AV block. #Ventriculophasic #Sinus #Arrhythmia #cardiology #diagnosis #ekg #ecg #electrocardiogram