Term
| Standard Head Radiograph Projections |
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Definition
| Posteroanterior, lateral, Towne's view |
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Term
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Definition
| Bony Fragment is depressed below normal skull convexity; may lead to secondary arterial and venous damage with hematoma formation. A primary brain injury can also results from this injury. |
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Definition
| Fracture of Bone as well as a breach of skin. Complications inlcude meningitis. Includes fractures across the sinuses |
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Definition
| Where the frontal, parietal,greater wing of the sphenoid and temporal bones all come together. Deep is the middle meningeal artery. May cause a significant extradural hematoma |
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Definition
| Dilation of cerebral ventricular system as a result of disrupted flow of CSF. Water on the Brain. |
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Definition
| Infection of Leptomeninges (Arachnoid/pia matter combination). Inflamation of the meninges. Headache, fever, drowsiness, nausea. |
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Definition
| Arise from vessels in and around circle of willis. When ruptures, patient gets sudden headache with neck stiffness and vomiting. Blood in subarachnoid space. |
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Term
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Definition
| Primary axonal and cellular damage from shearing deceleration forces within the brain. Include intracerebral hemorage and penatrating injuries, may destroy gray or white matter. |
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Term
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Definition
| Scalp laceration, fracture of cranial vault, disruption of intracerebral arteries and veins, edema and infection. |
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Definition
| Aneurysm rupture, hypertension, bleeding after cerebral infarction. |
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Term
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Definition
| Arterial Damage from tearing of the branches of the middle meningeal artery. Blood Collects between periosteum and calvaria and slowly expands. Doesnt pass suture lines |
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Term
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Definition
| Between dura matter and arachnoid matter, results from venous bleeding. Usually from torn cerebral veins where they enter superior sagital sinus. |
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Term
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Definition
| Typically results from intracerebral aneurysm arising from a vessel supplying circle of willis. |
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Term
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Definition
| Focal cerebelar Edema may cause one side of the brain to herniate beneath the falx cerebri |
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Term
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Definition
| Usually include pleomorphic adenoma, and adenolymphoma. Resection of tumor may damage facial nerve. |
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Term
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Definition
| Typically occur within the main confluence of the ducts within main parotid duct. Usually associated with intense pain when salivating. Can be removed by incision of buccal mucosa or complete gland excision may be neccesary. |
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Term
Facial Nerve Palsy (Bell Palsy) Central Lesion |
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Definition
| Affects sensory and motor functions of facial nerve contralateraly. Lower facial weakness |
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Term
Facial Nerve Palsy (Bell Palsy) Lesion at/around genticulate ganglion |
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Definition
| Loss of motor function on whole ipsilateral side of face. Taste to anterior two thirs of tongue, lacrimation,and some salivation are likely to be affected |
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Term
Facial Nerve Palsy (Bell Palsy) Lesion at/around the stylomastiod foramen |
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Definition
| Most common abnormaility of the facial nerve usually from viral inflamation of nerve within the bony canal before exiting through the stylomastoid foramen. Ipsilateral loss of motor function of the whole side of the face. |
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Term
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Definition
| complex sensory disorder of the sensory root of the trigeminal nerve. |
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Definition
| Caused by a lesion of the sympathetic trunk in the neck. Characterized by three features: Pupilary constriction, partial ptosis, absence of sweating. |
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Term
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Definition
| Increased intraoccular pressure because the normal cycle of aqueous humor fluid production and absorption is disturbedso the amount of fluid increases. Compression of retina. |
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Term
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Definition
| Lens of the eye becomes opaque leading to visual impairment. |
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Term
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Definition
| Direct visualization of the postrenal (vitreous) chamber through the pupil and the lens. You can easily see the the optic nerve as well as the four branches of the retinal artery and fovea. |
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Term
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Definition
| Loss of general sensation from the anterior two-thirds of the tongue, oral mucosa gingivae, the lower lip, and the chin. Salivation and taste may also be lost. |
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Term
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Definition
| Anesthesia of the inferior alveolar nerve, a large branch of the mandibular nerve |
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Term
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Definition
| Trauma to this area will cause damage to the anterior division of the Middle meningeal artery. causes a hematoma that puts pressure on cerebral cortex |
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Term
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Definition
| Dopaminergic cells die - substantia nigra |
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Term
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Definition
| Most common type, occur at point of impact |
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Term
| Comminuted Skull Fracture |
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Definition
| Skull Bone typically broken into several pieces |
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Term
| Countrecoup (counterblow) Skull Fracture |
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Definition
| No fracture at point of impact, but occurs at opposite side of cranium (resulting in basilar fracture) |
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Term
| Temporomandibular Disorder (TMD) |
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Definition
| Injury to joint, or associated structures, ear pain, headaches and clicking while eating, yawning or any activity which requires the mouth to open. |
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Term
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Definition
| Can result in severe bleeding depending on depth and anatomic location of severed blood vessels. |
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