A1 - Scalp (Newton) Flashcards by Brian Duxbury

Q

Crescent shaped

A

Subdural dematoma

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Q

Venous in origin

A

Subdural hematoma

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Q

Lenticular shape

A

Epidural hematoma

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Q

Arterial in origin

A

Epidural hematoma

Subarachnoid hemorrhage

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Q

Shearing of cerebral bridging veins

A

Subdural hematoma

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Q

Lies beneath the pterion

A

Middle meningeal a.

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Q

thundercap headache

A

subarachnoid hemorrhage

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Q

star shape

A

subarachnoid hemorrhage

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Q

structures affected by cavernous sinus swelling

A

CN 3, 4, 6

V1, V2

Internal carotid a. & sympathetic plexus

eyes –> Opthalmic v.

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Q

Danger triangle

Eyes affected

Infectious agents from face, orbit, nasal sinus

S. aureus

A

Cavernous sinus thrombosis

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Q

Metastases to CNS

A

Pelvic –> esp. prostatic

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Q

slow growing

non-malignant

dura mater

accommodated by brain

A

Meningioma

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Q

dura mater innervation

including anterior cranial fossa

A

V1 of CN 5

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Q

Middle cranial fossa innervation

A

V2

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Q

Posterior cranial fossa innervation

A

C2, C3, vagus n.

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Q

Major CSF absorption

A

superior sagittal sinus

Q

endothelium

A

lines dural venous sinuses

Q

spinal cord lacks this dural layer

A

periosteal

Q

midbrain passes thru

A

tentorial notch

Q

anterior attachment of cerebral falx

A

crista galli

Q

posterior attachment of cerebral falx

A

tentorium cerebelli

Q

sensory innervation to anterior & lateral scalp

A

CN V - trigeminal

Q

3 branches of trigeminal

A

opthalmic

maxillary

mandibular

Q

Sensory innervation to posterior & lateral aspects

A

Greater & lesser occipital nn.

Q

Somatic motor innervation to occipitofrontalis m.

A

Facial n. - CN 7

Q

Allows free movement - danger area

A

Loose connective tissue of scalp