Ventriculophasic Sinus Arrhythmia on EKG PP intervals which contain a QRS complex are shorter than those which don't - Dr. Eric Strong @DrEricStrong - Strong Medicine https://www.youtube.com/c/EricsMedi #Ventriculophasic #Sinus #Arrhythmia #EKG #ECG #electrocardiogram #cardiology #clinical