52 year old male present to ED after a motor vehicle collision. The patient is difficult to wake and has trouble following commands. An MRI for brain is ordered and shows the following abnormality. Which of the following is most diagnosis?
A.Infection with neurocystercosis
B.Small cavernous malfromations
E.Diffuse axonal injury
E. diffuse axonal injury
An 18 year old male presents to the ED after a skiing accident. He is difficult to arouse and confused. CT scan of the head is performed. Which of the following is the most likely diagnosis?
A. Epidural hematoma
B. Subdural hematoma
C. Subarachnoid hematoma
D. Intraventricular Hematoma
E. Intraparenchymal hematoma
A. epidural hematoma
Injury to which of the following vessels is most common cause of epidural hematoma? A. Internal carotid artery B. Middle cerebral artery C. Middle meningeal artery D. Superficial temporal artery E. Superior saggital sinus F. Transverse sinus
C. Middle meningeal artery
38 year old female presents to the ED with worst headache of her life. CT scan of the head is obtained and shows a subarachnoid hemorrhage (SAH). Cerebral angiogram is then performed and shown below. What is the etiology of the SAH?
A.Internal carotid artery aneurysm
B.Anterior cerebral artery aneurysm
C.Middle cerebral artery aneurysm
D.Posterior cerebral artery aneurysm
E.Basilar artery aneurysm
C. middle cerebral artery aneurysm
73 year old female was found to have new onset left visual loss and progressive weakness of her right arm and leg. CT and MRI of the brain was performed. Which of the following conditions is the most likely cause of the abnormality on CT and MRI?
D.Congestive Heart Failure
E.Deep vein thrombosis
F.Carotid artery stenosis
80 year old male with history of MI presents with temporary vision loss in right eye and mild weakness of right leg. MRI of brain shows multiple small infarcts. Which of following most appropriate next step in management
A. carotid doppler
B. cardiac echo
C. BP control
D. MRI with contrast
E. cerebral angiogram
B. cardiac echo
you are looking for process taht goes to both circulations = embolic; must be central; look for clot in the heart itself; if negative --> do carotid doppler in case there is some weird circulation/connection
82 year old male presents to ED after seizure. He is found to have a tumor in the left frontal lobe with signficant edema. Which of the following types of herniation is present on this image?
B. subfalcine herniation
What vessel can get injured in subfalcine herniation?
anterior cerebral artery
What kind of herniation do you often get in stroke in MCA territory?
32 year old female with a prior history of dysphagia, left arm weakness and diplopia lasting 2 weeks now presents with new right hand weakness. Which of the following is the most likely diagnosis?
F.Traumatic brain injury
E multiple sclerosis
45 year old male with AIDS who presents with left sided weakness. He has 2 cats at home. Which of the following opportunistic infections is the most likely cause of the his symptoms?
8 year old male presents with ataxia, nausea and vomiting. MRI of the brain with contrast is shown. Which of the following is the most likely diagnosis?