The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Dr. Marion Tipple:
Only application available devoted to ECG interpretation in Children and Young Adults with Congenital Heart Disease and Acquired Heart Disease.Written by experienced Paediatric Cardiologist, author of "Paediatric ECG of the Week"Essential companion to all those involved in care of Children and Young Adults.Features.Basics: Measurements of Intervals, QRS axis calculationNormal ECG: Tables of Normal Standards -age group colour coded.ECG Interpretation, normal variants in children from birth to adulthoodCardiac MalpositionCongenital Heart Disease: pre and post-operativeAcquired Heart Disease: including cardiomyopathies, transplantSystemic Disorders: including Electrolyte disorders, CNS disease, Eating DisordersRhythm disorders: including inherited disorders- LQTS, CPVT, BrugadaPacemakers: Code, Pacing Modes, TroubleshootingSelf Assessment Quiz: 100 ECG's to test your knowledge.