Primary Versus Secondary Brain Injury

ImpressedWerewolf avatar
ImpressedWerewolf
·
·
Download

Start Quiz

Study Flashcards

Questions and Answers

What is the main difference between brain swelling and brain edema in the context of acute head injury?

Brain swelling occurs early due to an increase in cerebral blood volume, while brain edema occurs later due to an increase in brain water volume.

Which type of brain edema is related to cerebral contusion and is a result of an outpouring of protein-rich fluid through damaged vessels?

Vasogenic edema

What is the characteristic presentation of an epidural hematoma (EDH) clinically?

Exhibiting a lucid interval prior to rapid deterioration

How are subdural hematomas (SDH) primarily formed in severe head trauma?

<p>From shearing of the bridging veins between the pia-arachnoid and the dura</p> Signup and view all the answers

What is the characteristic appearance of subarachnoid hemorrhage (SAH) on head CT scans?

<p>High-density extracerebral masses</p> Signup and view all the answers

Which of the following is NOT a component of primary injury?

<p>Excitotoxicity</p> Signup and view all the answers

What is the primary cause of diffuse axonal injury (DAI)?

<p>Acceleration–deceleration and rotational forces that cause shearing upon impact</p> Signup and view all the answers

Which of the following statements about primary injury is FALSE?

<p>It is amenable to medical intervention</p> Signup and view all the answers

What is the primary mechanism of secondary injury?

<p>Ischemia, excitotoxicity, energy failure, and apoptosis</p> Signup and view all the answers

Which of the following statements best describes the relationship between primary and secondary injury?

<p>Primary injury initiates a cascade of events that leads to secondary injury, which can further exacerbate the primary injury</p> Signup and view all the answers

More Quizzes Like This

Use Quizgecko on...
Browser
Browser