Cerebral ischemia - Study guides, Class notes & Summaries

NURS 487 EXAM 2 3 Essential Components of the cranial vault - ANSWER - brain, blood, CSF; Overall volume must remain constant; if not, increased ICP occurs Monro-Kellie hypothesis - ANSWER - theory that states that due to limited space for expansion within the skull, an increase in any one of the cranial contents—brain tissue, blood, or cerebrospinal fluid—causes the ...

Anterograde (Posttraumatic) Amnesia - ANSWER Inability to remember events after an injury. Basilar Skull Fractures - ANSWER Usually occur following diffuse impact to the head (such as falls, motor vehicle crashes); generally result from extension of a linear fracture to the base of the skull and can be difficult to diagnose with a radiograph (x-ray). Battle's Sign - ANSWER Bruising behind an ear over the mastoid process that may indicate a skull fracture. Cerebral Edema - ANSWER Swelli...

Increased ICP (939-940, chart 941) • Normal ICP 10-15 mmHg, pressures >20 mmHg impair cerebral circulation • IICP is leading cause of death from head trauma in pts who reach the hospital alive. • Cerebral Perfusion Pressure (CPP) o Blood flow required to provide adequate oxygenation & glucose for brain metabolism o Maintenance above 70 mmHg o CPP= MAP-ICP ▪ MAP= (2xD) + S MAP NEEDS TO BE ATLEAST 803 • Compensation o First Response – CSF is shunted or displaced into the sp...

RIND DEFINITION - ️️REVERSIBLE ISCHEMIC NEUROLOGIC DEFICIT USUALLY LASTS LONGER THAN TIA , BUT THE DEFICIT IT CREATES TAKES SLIGHTLY LONGER THAN 24 HOURS TO RESOLVE. THAT IS THE BRAIN TISSUE IS DAMAGED BUT RECOVERS COMPLETELY. 3 CAUSES OF ISCHEMIA - ️️ATHERTHROMBOTIC PATHOLOGIES, CARDIOGENIC PATHOLOGIES, AND LACUNAR INFARCTIONS MAJOR BRANCHES OF THE OPHTHALMIC ARTERY ARE: - ️️FRONTAL, SUPRAORBITAL AND NASAL ALL OF THE FOLLOWING ARISE FROM THE INTRACRANIAL ICA EXCEPT: MIDDLE ...

NU 530 Advanced Pathophysiology Study Guide Quiz 4 Cervical cord injuries- serious complications Chapter 16 12,000-person experience serious spinal cord injuries each year. Risk factors: 1. Male gender and age 16 to 30 are strong risk factors. 2. Motor vehicle accidents are the leading cause of injury (36.5%) 3. Falls are the next most common cause (28.5%) 4. Violence, other events 5. Sports activities 6. Elderly Hemiplegia means loss of motor function on one side of the body. Parapl...

PLATINUM FINAL EXAM EMTP 3.3 REVIEW 2023 QUESTIONS AND ANSWERS COMPLETE What is the best airway device to use for smoke inhalation? Endotracheal intubation is frequently needed for supportive therapy in the management of inhalation injury. Most pertinent piece of information in evaluating a patient's ventilatory status? Ventilation is the movement of air in and out of the lungs through a patent airway. The majority of observations regarding ventilation focus on the movements of the chest....

Test Bank CHAPTER 1 Multiple Choice 1. What is the MOST common emergency to occur in the dental office? A. Mild allergic reaction B. Angina C. Syncope D. Anaphylaxis 2. All of the following procedures will help to prevent an emergency in a dental office EXCEPT: A. accurate medical history taking. B. taking and recording vital signs. C. updating the medical emergency kit. 3. If a patient responds positively on his or her medical history to epilepsy, you will need to be on th...

A client's electrocardiogram strip shows atrial and ventricular rates of 80 complexes per minute. The PR interval is 0.14 second, and the QRS complex measures 0.08 second. The nurse interprets this rhythm is: A) Normal sinus rhythm B) Sinus bradycardia C) Sinus tachycardia D) Sinus dysrhythmia - Answer-A A client has frequent bursts of ventricular tachycardia on the cardiac monitor. A nurse is most concerned with this dysrhythmia because: A) It is uncomfortable for the client, givin...

what is a stroke? occurs when there is ischemia to a part of the brain or hemorrhage into the brain cerebral arteries carry blood to the brain and the brain needs a constant flow of oxygen to survive which arteries supply anterioir circulation? internal carotid arteries which arteries supply posterior circulation? vertebral arteries Which parts of the brain are supplied by the internal carotid arteries? frontal lobe parietal lobe temporal lobes basal ganglia part of the diencephalon...

what is the best way to monitor temperature in the OR with combing safety and accuracy? correct answers Esophageal temp monitoring offers best combo of accuracy and safety over an extended period of time good estimation of core temp what are consequences of hypothermia? correct answers SNS stimulation Oxygen hgb curve shift to left Vasoconstriction and decreased tissue PO2 Coagulopathy and plt dysfunction Sicking of hgb S Slowed drug metabolism Increased vol agent solubil...