Question 4 2 pts

(TCO 13) CVAs are sometimes preceded by short warning

attacks called

O

TIAS

O PVCs

O angina

O vertigo

The correct answer is TIAS.  

Explanation:

A transient ischemic attack (TIA) is a brief/short focal neurological event, recent evidence suggests that patients with TIA suffer from a global disorder of cerebral circulation, that is, there is a temporary blockage or reduction of cerebral blood flow. The main element that distinguishes TIA from migraine is the time profile of the evolution of the symptoms. In the patient with TIA, symptoms start suddenly and reach maximum severity relatively quickly. In the patient with migraine, the symptoms progress gradually, reaching maximum severity in a longer time (even hours).The rational treatment and prevention of cerebrovascular accident depend on the knowledge of the pathogenesis of transient ischemic attack (TIA), hence the interest in studying the effects of localized low cerebral blood flow, its causes and the underlying disorder in neuronal function for clinical symptoms secondary to focal ischemia to appear.

no

explanation:

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