The concept of networks – groups of different people working together – is not new, as health professionals have been working collaboratively for the benefit of patient care for many years. What is new is the formalising of clinical networks that focus on connecting teams and organisations to improve the patient pathway. The Department of Health considers that networks have a key role in delivering improvements to patient care as part of meeting the Planning and Performance Framework targets for heart disease. An ‘open culture’ is being promoted to embrace modern ways of working through teams and networks rather than hierarchies and formal systems. This article aims to update you on what’s going on in cardiac networks.