<prompt> Comment on the diagnosis of the patient based on ECGMultifocal atrial tachycardiaAtrial fibrillationMobitz II hea blockWolf Parkinson white syndrome  <response>: HR of patient is variable. Notice the change in RR interval in lead II. The HR changes from 200 bpm to 150 bpm. Notice the changes in amplitude of P waves which leads to diagnosis as Multifocal atrial tachycardiaMAT. Choice 2 is ruled out as A. fibrillation has an absent P waves Choice 3 is ruled out as Mobitz II hea block has bradycardia Choice 4 is ruled out as Wolf Parkinson white syndrome has Delta waves with broad qRS complex is not seen 