ITLS Exam Final- Questions Answered Correctly Latest Version () Graded A+

ITLS Exam Final- Questions Answered Correctly Latest Version () Graded A+ What is normal paCO2 - Answers 35-45mmHg When is intercranial pressure considered dangerous - Answers They rise in 15 mmHg and cerebral herniation may occur at pressures above 25 mmHg How is cerebral perfusion pressure calculated - Answers Subtracting intercranial pressure from mean arterial blood pressure What is map - Answers Mean arterial pressure If ICP increases then what happens to cerebral perfusion pressure - Answers Cerebral perfusion pressure will decrease Through perfusion pressure must maintain at least what - Answers 60 mmHg which requires maintaining a systolic blood pressure of 110 What is cerebral herniation syndrome - Answers A critical syndrome in which swelling of the brain forces portions of the brain through the magnum foremen causing coma, dilation of pupils, contralateral paralysis, elevated blood pressure and bradycardia When is hyperventilation indicated - Answers Cerebral herniation syndrome How many breaths per minute for children and infants with cerebral herniation syndrome - Answers 25 for children and 30 for infants Patients with ICP should have an end title CO2 of what - Answers 30 to 35 What are normal ventilation rate for adults children and infants - Answers 8 to 10,15 and 20 What is non-reflow phenomenon - Answers The inability of restoring oxygenation and blood pressure to restore perfusion to the cortex after and anoxic episode of 4 to 6 minutes What artery is often teared in acute epidural hematoma - Answers Middle meningeal artery Whatis it called when a patient is conscious and coherent and then lapses into unconsciousness - Answers Lucid interval What type of bleed is often acute subdural hematoma - Answers Venous Where does the bleeding occur in an acute subdural hematoma - Answers Between the dura and the arachnoid Where does the bleeding occur in an acute epidural hematoma - Answers Between the Dura and the skull What sort of injury is often prevalent in acute subdural hematoma - Answers Injury to the underlying brain tissue Who is at highest risk for subdural hematoma's - Answers Alcoholics and elderly patients and those taking anticoagulants Enter through hemorrhage is often caused by what Trumatic injuries - Answers Blunt force trauma or penetrating injuries