Question

A routine scan of an elderly man reveals partial occlusion of the right internal carotid artery, yet blood supply to his cerebrum is unimpaired. what are two possible causes of the occlusion? what anastomosis is maintaining blood supply to the brain and by what (probable) route(s)?

Answer 1

Zero; myocardial infarction. The posterior interventricular artery supplies much of the left ventricle, the systemic pump .