Interventional cardiology - Atrium Septum Defect closure - Step-by-step

New channel AEPC Paediatric & Congenital Cardiology: title sample judged 'pick' (Mostly genuine conference lectures and step-by-step interventional procedure teaching, but a few items (conference promo); passed a second screen for sellers/exam-prep/re-uploads; 2 of 3 sampled transcripts showed teaching, 1 not; titles picked one by one, checked strictly; oEmbed verified.