Paroxysmal hypercyanotic attacks are a features of tetralogy of Fallot, and are a particular problem in the first two years of life.
They are a potential emergency in the child with Fallot's, and the parents should be made aware of the potential for this to happen so that appropriate management is prompt.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page