Supraventricular tachycardia and Wolff Parkinson White syndrome

This video is extremely helpful in understanding clinical implications of ECG in case of supraventricular tachycardia and Wolff Parkinson White disorder. Two ECGs are used to teach us how to reach a diagnosis. Timeline 0:00 Introduction 0:16 Rate of first case (SVT) 2:00 R-r interval (regular) 2:50 P-wave 4:01 P  QRS complex 5:05 Diagnosis 9:02 Rate of second case (Wolff Parkinson white) 11:02 R-r interval (regular) 11:40 P wave (sinus) 12:38 QRS complex 13:12 Diagnosis and explanation