Podcast
Questions and Answers
What is the main principle of the Monro-Kellie doctrine?
What is the main principle of the Monro-Kellie doctrine?
- The volume of the cranial cavity increases with age
- The brain tissue, CSF, and blood vessels have a variable volume
- The cranial cavity has a fixed volume composed of brain tissue, CSF, and blood vessels (correct)
- The intravascular blood is the largest component of the cranial cavity
What is the rate of cerebrospinal fluid production?
What is the rate of cerebrospinal fluid production?
- 10 to 15 mL/hr
- 15 to 20 mL/hr (correct)
- 20 to 25 mL/hr
- 5 to 10 mL/hr
What happens when there is an elevation in the volume of one compartment in the cranial cavity?
What happens when there is an elevation in the volume of one compartment in the cranial cavity?
- The volume of the other compartments remains the same
- The intracranial pressure decreases
- The volume of the other compartments increases
- The volume of one or more of the other compartments can be reduced (correct)
What is the composition of the cranial cavity?
What is the composition of the cranial cavity?
What is the consequence of an increase in one component of the cranial cavity?
What is the consequence of an increase in one component of the cranial cavity?
What is the purpose of the Monro-Kellie doctrine?
What is the purpose of the Monro-Kellie doctrine?
Cerebral venous thrombosis occurs more frequently in which gender?
Cerebral venous thrombosis occurs more frequently in which gender?
Which of the following symptoms is NOT associated with cerebral venous thrombosis?
Which of the following symptoms is NOT associated with cerebral venous thrombosis?
What is the importance of an elevated D-dimer level in diagnosing cerebral venous thrombosis?
What is the importance of an elevated D-dimer level in diagnosing cerebral venous thrombosis?
What imaging modality is used to demonstrate hyperdensities along the left tentorium and involving the left sigmoid sinus?
What imaging modality is used to demonstrate hyperdensities along the left tentorium and involving the left sigmoid sinus?
In which age group should cerebral venous thrombosis be considered in patients with acute, subacute, or chronic headache with unusual features?
In which age group should cerebral venous thrombosis be considered in patients with acute, subacute, or chronic headache with unusual features?
What is a characteristic of cerebral venous thrombosis on imaging?
What is a characteristic of cerebral venous thrombosis on imaging?
What happens when tissue demand exceeds autoregulation or CBF declines for pathologic reasons?
What happens when tissue demand exceeds autoregulation or CBF declines for pathologic reasons?
What is the formula for calculating cerebral perfusion pressure?
What is the formula for calculating cerebral perfusion pressure?
What percentage of trauma deaths are caused by head injury?
What percentage of trauma deaths are caused by head injury?
What is the primary cause of primary injury in traumatic brain injury?
What is the primary cause of primary injury in traumatic brain injury?
What is the estimated number of head injury cases every year?
What is the estimated number of head injury cases every year?
What is the percentage of head injuries classified as moderate to severe?
What is the percentage of head injuries classified as moderate to severe?
What happens to CSF production when there is an increase in intracranial backpressure?
What happens to CSF production when there is an increase in intracranial backpressure?
What is the normal range of CBF in mL/100 g of brain tissue per minute?
What is the normal range of CBF in mL/100 g of brain tissue per minute?
What determines the blood flow to a particular area of the brain?
What determines the blood flow to a particular area of the brain?
What is the effect of an elevated or decreased arterial PCO2 on the autoregulation curve?
What is the effect of an elevated or decreased arterial PCO2 on the autoregulation curve?
What happens to the autoregulation curve in the setting of traumatic brain injury?
What happens to the autoregulation curve in the setting of traumatic brain injury?
What is the purpose of autoregulation in the brain vasculature?
What is the purpose of autoregulation in the brain vasculature?
What is the goal of treatment in traumatic brain injury?
What is the goal of treatment in traumatic brain injury?
What is the predictor of poor outcome in traumatic brain injury?
What is the predictor of poor outcome in traumatic brain injury?
What is the treatment approach for epidural and subdural hematomas?
What is the treatment approach for epidural and subdural hematomas?
What is the estimated annual incidence of cerebral venous thrombosis in the general population?
What is the estimated annual incidence of cerebral venous thrombosis in the general population?
In pregnant women, what is the incidence of cerebral venous thrombosis?
In pregnant women, what is the incidence of cerebral venous thrombosis?
What is the volume of clot or contusion that is considered operable?
What is the volume of clot or contusion that is considered operable?
