CAISS – Head Questions with Complete Answers Graded A+

CAISS – Head Questions with Complete Answers Graded A+ What does AIS define as part of the Head Scalp, Skull, Brain, Intracranial Vessels, Cranial Nerves. What makes up the Meninges? Dura Mater(epidural/subdural), Arachnoid(csf), pia matter(vascular membrane) What are the regions of the brain? Brain Stem, Cerebellum, Cerebrum What is a Focal Brain Injury? Space occupying lesion in which the brain will shift or herniate What is a Diffuse Brain Injury? Global/Widespread damaging affecting consciousness In the skull; what does "Compound" mean? Open Fracture Coding of brain injuries should be done when? At 24 hours or at initial confirmed diagnosis if later than 24 hours. When can LOC be coded? When there is convincing evidence of head trauma and the diagnosis is made by a physician. Provider diagnosis the patient with a "Closed Head Injury" how do you code this? .9; NFS Patient is diagnosed with a Compound Temporal Fracture and laceration of the Temporal Artery. Can you code both injuries? Yes When is a cranial nerve coded as a laceration? When there is Total Loss of Nerve Function Paralysis When is a Cranial Nerve coded as a Contusion? When there is subtotal/partial loss of function. Paresis / Palsy What affects the Injury Severity Score of brain lesions? Size, Location, Multiplicity What does "Closed Cisterns" imply? Brain Swelling At what age are brain severity injuries adjusted? 10 & younger If a single fracture involves both base and vault; how do you code? Code the most severe. If equal code to the point of origin. How should all skull fractures be coded? Code to Vault unless specified as base. What bones are included in a Skull Base Fracture? Ethmoid, Sphenoid, Orbital Roof, Petrous, Mastoid of Temporal