Basilar Insufficiency refers to a condition in which there is inadequate blood flow to the brainstem and the posterior circulation of the brain. This can result in a range of symptoms, such as dizziness, vertigo, difficulty with coordination, and fainting. Synonyms for Basilar Insufficiency include vertebral artery insufficiency, vertebrobasilar insufficiency, and posterior circulation ischemia. These terms are used interchangeably to describe the same underlying problem of reduced blood flow to the brainstem. Identifying these synonyms can aid in communication between healthcare professionals, ensuring a better understanding of this condition and facilitating appropriate diagnosis and treatment.