Accepted at 4:25 a.m. Dec, 28, 2024 by Ahmed7
Bulk Suggestion Bulk ID: joshuamb/12.27.24-09:18PM
Author: joshuamb
Related Note: 1484101545128
Rationale for change

The key to answering this question is given by UWorld as the following chain of reasoning:

Cerebral blood flow (CBF) remains relatively constant over a wide range of perfusion pressures (cerebrovascular autoregulation)
and is mainly influenced by arterial blood gas levels, particularly changes in PaCO. Hypercapnia triggers an increase in CBF (to
aid in removal of toxins), and hypocapnia triggers a decrease in CBF. In fact, because hypocapnia decreases CBF, mechanically
ventilated patients with cerebral edema are often hyperventilated to decrease intracranial pressure and help prevent brain
herniation.


These cards directly address this concept, which is not addressed by any of the other tagged cards for this question.

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Extra
Lecture Notes
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Missed Questions
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Pathoma
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Boards and Beyond
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First Aid
Sketchy
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Sketchy 2
Sketchy Extra
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Picmonic
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Pixorize
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Physeo
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Bootcamp
OME
Additional Resources
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One by one
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Changed Tags
#AK_Step1_v12::#UWorld::Step::1494
#AK_Step1_v12::^Other::^FA_Updates::FA2018 #AK_Step2_v12::#SketchySurgery::02_Trauma,_Burns,_Critical_Care::04_Head_and_Neck_Trauma::05_Moderate_and_Severe_Traumatic_Brain_Injury_2_Management #AK_Step2_v12::#SketchySurgery::02_Trauma,_Burns,_Critical_Care::04_Head_and_Neck_Trauma::04_Moderate_and_Severe_Traumatic_Brain_Injury_1_Presentation_and_Workup #AK_Step2_v12::#Resources_by_rotation::Neuro::step1_neuro::step_1_neuro_zanki #AK_Step2_v12::!Shelf::Neuro::no_dupes #AK_Step2_v12::!Shelf::EM #AK_Step1_v12::^Systems::Neuro::neuroscience #AK_Step1_v12::^Other::^EXPN::BGedit #AK_Step1_v12::#FirstAid::12_Neurology_and_Special_Senses::02_Anatomy_and_Physiology::19_Cerebral_perfusion #AK_Step2_v12::Original_decks::Zanki_Step_2::Neuro::Step_1_Neuro #AK_Step1_v12::#Low/HighYield::2-RelativelyHighYield #AK_Step2_v12::#SketchySurgery::02_Trauma,_Burns,_Critical_Care::03_Abdominal_Trauma::08_Abdominal_Compartment_Syndrome #AK_Step1_v12::^Other::^Formula #AK_Step2_v12::#OME::02_Neurology::01_Stroke #AK_Step1_v12::#OME::Clinical::04_Organ_Systems::08_Neuroscience::01_Cortex::04_Intracranial_Pressure_Cerebral_Edema_and_Brain_Bleeds #AK_Step1_v12::#Bootcamp::Neurology::29_Traumatic_Brain_Injuries::02_Intracranial_Hypertension #AK_Step1_v12::^Systems::Neuro::neurology #AK_Other::#AK_Original_Decks::Step_1::Zanki_Step_Decks::Zanki_Neurology::Neuro_Misc #AK_Step2_v12::#B&B::10_Neuro::05_OtherTopics::04_Intracranial_Hypertension #AK_Step1_v12::#OME::04_Organ_Systems::08_Neuroscience::01_Cortex::04_Intracranial_Pressure_Cerebral_Edema_and_Brain_Bleeds