Brain Herniation Triad. It can also be seen after the intravenous administration of epinephrine and similar drugs. The brain can shift across such structures as the falx cerebri the tentorium cerebelli and even through the foramen magnum. Herniation can be caused by a number of factors that cause a mass effect and increase intracranial pressure. Cushing reflex is a physiological nervous system response to increased intracranial pressure that results in cushing s triad of increased blood pressure irregular breathing and bradycardia.
Cushing s triad is the manifestation of cushing reflex also referred to as the cushing effect the cushing reaction the cushing s phenomenon or cushing s law physiological nervous system response to increased intracranial pressure. It was first described in detail by american neurosurgeon harvey cushing in 1901. The brain can shift across such structures as the falx cerebri the tentorium cerebelli and even through the foramen magnum. Herniation can be caused by a number of factors that cause a mass effect and increase intracranial pressure. These include traumatic brain injury intracranial hemorrhage or brain tumor. The brain tissue moves underneath.
There are three main types of brain herniation.
It is usually seen in the terminal stages of acute head injury and may indicate imminent brain herniation. Cushing reflex is a physiological nervous system response to increased intracranial pressure that results in cushing s triad of increased blood pressure irregular breathing and bradycardia. The brain can shift across such structures as the falx cerebri the tentorium cerebelli and even through the foramen magnum. A brain herniation can be classified by where the brain tissue has shifted. Types of brain herniation. Cushing s triad is also known as the brain herniation triad.