How will seven-day a week healthcare work in reality?

Health minister Jennifer Carroll MacNeill said the plans are 'a major, major reform' which she expects to reduce waiting lists. She expects to see evening outpatient clinics and more scans at weekends. Picture: Leah Farrell/RollingNews.ie
What changes will patients and health staff see now that the HSE and unions have agreed on working over seven days instead of mainly Monday-Friday?
The big change will be more staff at weekends to help address spikes in overcrowding and target waiting lists. However, do not get excited just yet, as staff were told of a lead-in time of at least 63 days in a circular issued on Monday.