Introduction to Emergency Neuroimaging

Clinical Scenario 1: New Neurologic Deficit Introduction

Case: Left MCA Stroke on Non-Contrast CT

Case: Left MCA Stroke on CTA

Case: Left MCA Stroke on MRI

Non-Contrast Findings in CT and Stroke

ASPECTS Score

Perfusion Evaluation

Timing of Therapy for Stroke

Case: Occluded Right MCA

Case: Acute Left MCA Infarct with Penumbra

Case: RAPID Analysis

Case: Right M1 Occlusion on MRI

Case: Old and New Strokes: Cardioembolic Phenomenon

Case: Basilar Artery Clot on CTA, CT, CTP

Case: Childhood Stroke on MRI, MRA, MRP

Case: Moyamoya Syndrome

Case: Childhood Stroke, Moyamoya on CT

Case: Superior Sagittal Sinus Thrombosison CT, CTV

Case: Imaging of Sinus Thrombosis

Case: Cortical Vein Thrombosis on CT, MRI, MRV

Case: Cortical Vein Thrombosis on CTV

Case: New Neurologic Deficit from Multiple Sclerosis

Case: Glioblastoma

New Neurologic Deficit Lesson Reinforcement Quiz

Clinical Scenario 2: Head Trauma Introduction

Case: Head Trauma wtih Multicompartmental Hemorrhage

Case: SDH with Active Bleeding

Traumatic Brain Injury

Cortical Contusions

Extra-Axial Collections

Case: Subdural Hematoma on CT

Case: Epidural Hematoma on CT

Case: Epidural Hematoma from Transverse Sinus Injury on CT

Case: Epidural Hematoma from Transverse Sinus Injury, Prognosis on CT

Acute Epidural Hematomas

Epidural Hematomas, Continued

Case: Isodense Subdural Hematoma

Acute Subdural Hematomas & Diffuse Axonal Injury

Density of Falx/Tentorium

Depressed Skull Fractures

Case: Occipital Bone Open/Depressed Fracture on CT

Role of MRI in Head Trauma

Case: Non-Accidental Trauma

Non-Accidental Trauma CT (Part 1)

Non-Accidental Trauma CT (Part 2)

Posterior Fossa Lesions from Trauma

Case: DAI on MRI

Case: DAI on CT

Diffuse Axonal Injury

Case: DAI with Blood Products on CT

Traumatic Injuries: Herniation

Case: Herniations on CT

Head Trauma Lesson Reinforcement Quiz

Clinical Scenario 3: Worst Headache of Life Introduction

Case: Ruptured PCA Aneurysm Leading to IPH on CT, Arteriogram

Case 26: Basilar Artery Aneurysm on CT, CTA

Localization of Aneurysm with SAH

Imaging of Aneurysms

Case: Mycotic Aneurysm on CT, CTA

Case 28: Non-Infectious Mycotic Aneurysm on CT

Arteriovenous Malformation

Case: Hypertensive Bleed, IPH with IVH on CT (Case 1)

Case: Hypertensive Bleed, IPH with IVH on CT (Case 2)

Signal Intensity of IPH on MRI by Age

Reversible Cerebral Vasoconstriction Syndrome (RCVS)

Non-Aneurysmal Perimesencephalic SAH

Cerebral Amyloid Angiopathy

Case: Idiopathic Intracranial Hypertension on CTA, CTV

Idiopathic Intracranial Hypertension (IIH)

Case: Intracranial Hypotension on MRI

Case: Intracranial Hypotension - Spinal Imaging on MRI

Worst Headache of Life Lesson Reinforcement Quiz

Clinical Scenario 4: Found Down Introduction

Case: Anoxic Brain Injury

Metabolic Brain Disease

Case: Hyperammonemia on MRI

Case: Thiamine Deficiency on MRI

Thiamine Deficiency

Posterior reversible encephalopathy syndrome (PRES)

Case: PRES: MRI

PRES Variants

Cytotoxic Lesions of the Corpus Callosum (CLOCC)

Case: CLOCC from Seizure Medication on MRI

Case: Toxic Leukoencephalopathy on MRI

Case: Toxic Leukoencephalopathy from Medication on MRI

Toxic Leukoencephalopathy

Case: Hypoxic Ischemic Encephalopathy

Found Down Lesson Reinforcement Quiz

Clinical Scenario 6: Ventriculoperitoneal Shunt with New Lethargy Introduction

Case: Shunt Failure

Case: Overshunting

CSF Shunt Summary