Increased Intracranial Pressure Nursing Pathophysiology NCLEX Symptoms (Cerebral Perfusion Pressure)
Increased intracranial pressure (ICP) nursing, pathophysiology, NCLEX, treatment, and symptoms NCLEX review.
Increased intracranial pressure occurs when the inside of the skull experiences increased pressure. This is a medical emergency!
How is ICP created? Intracranial pressure is the pressure created by the cerebrospinal fluid and brain tissue/blood within the skull. It can be measured in the lateral ventricles with an external ventricular drain (ventriculostomy).
What is a normal intracranial pressure (ICP)? 5-15 mmHg (greater than 20 mmHg…needs treatment)
Pathophysiology of increased intracranial pressure: The human skull is very hard and is limited on how much it can expand when something inside the skull experiences a change that leads to increased pressure exerted within the skull.
Inside the skull are three structures that can alter intracranial pressure: brain, cerebrospinal fluid (CSF), and blood.
The Monro-Kellie hypothesis deals with how ICP is affected by CSF, brain's blood, and tissue that works to maintain cerebral perfusion pressure (CPP). In a nutshell, this hypothesis says that when the volume of one of these structures increases than the others will have to decrease their volume to compensate for the increased intracranial pressure.
Intracranial pressure fluctuates and this depends on many factors like: the person’s body temperature, oxygenation status, especially CO2 and O2 levels, body position, arterial and venous pressure, anything that increases intra-abdominal or thoracic pressure (vomiting, bearing down).
Cerebral perfusion pressure is important when dealing with intracranial pressure. A normal CPP is 60-100 mmHg.
When CPP (pressure that pushes the blood to the brain) falls too low the brain is not perfused and brains tissue dies.
How is CPP calculated?
CPP= MAP - ICP (see video on how to calculate cerebral perfusion pressure)
Symptoms of increased intracranial pressure: mental status changes (EARLIEST), cushing's triad, vomiting, headache, decorticate or decerebrate posturing, optic and oculomotor nerve damage, abnormal doll's eye, seizures etc.
Nursing care for increased ICP includes monitoring and preventing further increases in intracranial pressure, administering drugs such as Mannitol, anticonvulsants, corticosteroids etc. See video for a mnemonic on the nursing interventions for increased ICP.
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Increased intracranial pressure (ICP) nursing, pathophysiology, NCLEX, treatment, and symptoms NCLEX review.
Increased intracranial pressure occurs when the inside of the skull experiences increased pressure. This is a medical emergency!
How is ICP created? Intracranial pressure is the pressure created by the cerebrospinal fluid and brain tissue/blood within the skull. It can be measured in the lateral ventricles with an external ventricular drain (ventriculostomy).
What is a normal intracranial pressure (ICP)? 5-15 mmHg (greater than 20 mmHg…needs treatment)
Pathophysiology of increased intracranial pressure: The human skull is very hard and is limited on how much it can expand when something inside the skull experiences a change that leads to increased pressure exerted within the skull.
Inside the skull are three structures that can alter intracranial pressure: brain, cerebrospinal fluid (CSF), and blood.
The Monro-Kellie hypothesis deals with how ICP is affected by CSF, brain’s blood, and tissue that works to maintain cerebral perfusion pressure (CPP). In a nutshell, this hypothesis says that when the volume of one of these structures increases than the others will have to decrease their volume to compensate for the increased intracranial pressure.
Intracranial pressure fluctuates and this depends on many factors like: the person’s body temperature, oxygenation status, especially CO2 and O2 levels, body position, arterial and venous pressure, anything that increases intra-abdominal or thoracic pressure (vomiting, bearing down).
Cerebral perfusion pressure is important when dealing with intracranial pressure. A normal CPP is 60-100 mmHg.
When CPP (pressure that pushes the blood to the brain) falls too low the brain is not perfused and brains tissue dies.
How is CPP calculated?
CPP= MAP – ICP (see video on how to calculate cerebral perfusion pressure)
Symptoms of increased intracranial pressure: mental status changes (EARLIEST), cushing’s triad, vomiting, headache, decorticate or decerebrate posturing, optic and oculomotor nerve damage, abnormal doll’s eye, seizures etc.
Nursing care for increased ICP includes monitoring and preventing further increases in intracranial pressure, administering drugs such as Mannitol, anticonvulsants, corticosteroids etc. See video for a mnemonic on the nursing interventions for increased ICP.
Increased Intracranial Pressure NCLEX Questions: https://www.registerednursern.com/increased-intracranial-pressure-icp-nclex-questions/
Notes: https://www.registerednursern.com/increased-intracranial-pressure-icp-nclex-review/
More Neuro Videos: https://www.youtube.com/playlist?list=PLQrdx7rRsKfVPDxuXWcpmg42nNXdjA9FD
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Instagram: https://www.instagram.com/registerednursern_com/
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Nursing School Supplies: http://www.registerednursern.com/the-ultimate-list-of-nursing-medical-supplies-and-items-a-new-nurse-student-nurse-needs-to-buy/
Popular Playlists:
NCLEX Reviews: https://www.youtube.com/playlist?list=PLQrdx7rRsKfWtwCDmLHyX2UeHofCIcgo0
Fluid & Electrolytes: https://www.youtube.com/playlist?list=PLQrdx7rRsKfWJSZ9pL8L3Q1dzdlxUzeKv
Nursing Skills: https://www.youtube.com/playlist?list=PLQrdx7rRsKfUhd_qQYEbp0Eab3uUKhgKb
Nursing School Study Tips: https://www.youtube.com/playlist?list=PLQrdx7rRsKfWBO40qeDmmaMwMHJEWc9Ms
Nursing School Tips & Questions” https://www.youtube.com/playlist?list=PLQrdx7rRsKfVQok-t1X5ZMGgQr3IMBY9M
Teaching Tutorials: https://www.youtube.com/playlist?list=PLQrdx7rRsKfUkW_DpJekN_Y0lFkVNFyVF
Types of Nursing Specialties: https://www.youtube.com/playlist?list=PLQrdx7rRsKfW8dRD72gUFa5W7XdfoxArp
Healthcare Salary Information: https://www.youtube.com/playlist?list=PLQrdx7rRsKfVN0vmEP59Tx2bIaB_3Qhdh
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Dosage & Calculations for Nurses: https://www.youtube.com/playlist?list=PLQrdx7rRsKfUYdl0TZQ0Tc2-hLlXlHNXq
Diabetes Health Managment: https://www.youtube.com/playlist?list=PLQrdx7rRsKfXtEx17D7zC1efmWIX-iIs9
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Great Video Doc,
Hi from Ghana.
Hi,nurse Sarah, I'm a nursing student , I want to let you know how your lecture video help me so much , I appreciate you so much for what you have been doing.may God bless you.
Thank you nurse Sarah for these videos. I am not a nurse student but I have had open heart surgery sometime back and do have a fib. I always enjoy hearing you talk and it is very educational for me to learn about the heart and other things. Thank you Jeffrey
Can this give a feeling of wet head?
❤❤❤💘💯😇
This video is incredible! Well demonstrated and structured. I appreciate your work so much. Keep up the great work!
My nursing school Professor Post’s your video and at times doesn’t even lecture. Thank you for your detailed lecture 😍
I'm a first semester LPN student and I suffer from this condition, I was diagnosed in 2010 its hard
Hi Sarah, can you teach Glasgow coma scale please. I can't find it. Thanks.
Sarah is a darling…we all owe her a lot
I love your videos 💗💗
U r really amazing
Wreaks havoc n confusion.Good work .