CEREBRAL VASCULAR ACCIDENTS (CVA) AND TRANSIENT ISCHEMIC ATTACKS (TIA) QUESTIONS WITH CORRECT ANSWERS

CVA v. TIA


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Cerebral Vascular Accident (CVA): sudden loss of neurologic fn d/t lack of
blood flow to brain

Transient Ischemic Attack (TIA): same as CVA but only lasting 5 minutes

Differentiation:
-Sx < 24 hrs (TIA) v. sx > 24 hrs (CVA)--always a MED EMERGENCY b/c
cannot differentiate during




Brain membranes: Superficial--> deep


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, 1. Skin
2. Periosteum
3. Bone
4. Dura mater
5. Arachnoid
--> SAH happens in b/w
6. Pia mater
--> ICH happens deep to




CVA/TIA etiology: 2


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1. Ischemic: block of blood flow to brain--> ischemia, infarction
2. Hemorrhagic: rupture of BV creating bleed into extravascular brain
space--> edema, ischemia, infarction




CVA/TIA: Non-modifiable RFs


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-Age
-Gender
-Race/ethnicity
-Previous TIA/stroke
-Family hx
-DMI




CVA/TIA: Modifiable RFs


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