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The Migraine Aura
This article discusses the basic mechanisms of migraine aura and its clinical significance based upon evidence from human studies and animal models. RECENT FINDINGS Prospective clinical studies have reinforced the understanding that migraine aura is highly variable from one individual to the next as well as from attack to attack in an individual. While migraine with aura clearly has a higher heritability than migraine without aura, population studies have not identified specific genes that underlie this heritability for typical migraine with aura. Imaging studies reveal hypoperfusion associated with migraine aura, altho...
Source: CONTINUUM: Lifelong Learning in Neurology - August 1, 2018 Category: Neurology Tags: Review Articles Source Type: research

Stroke in the Young: Patent Foramen Ovale and Pregnancy Illustrative Teaching Cases
Source: Stroke - July 27, 2015 Category: Neurology Authors: Miller, B. R., Strbian, D., Sundararajan, S. Tags: Anticoagulants, Antiplatelets, Other Stroke Treatment - Surgical Illustrative Teaching Cases Source Type: research

Teaching NeuroImages: Hyperdense posterior cerebral artery sign
A 38-year-old man presented to the emergency department with right-sided weakness, sensory loss, and hemianopsia. CT head showed a left hyperdense posterior cerebral artery sign (HPCAS) (figure 1). CT angiogram of the head confirmed a left posterior cerebral artery (PCA) occlusion (figure 2). MRI demonstrated a left PCA infarct. Transesophageal echocardiogram revealed an atrial septal aneurysm and patent foramen ovale. He was treated with antiplatelet therapy. The HPCAS has been considered a marker for acute ischemia in the PCA territory.1 Recognizing the HPCAS on CT in acute stroke may help in the diagnosis and treatment ...
Source: Neurology - November 10, 2014 Category: Neurology Authors: Capampangan, D. J., Lee-Ianotti, J. K., Riordan, K. C., Kramer, C. L. Tags: CT, All Cerebrovascular disease/Stroke RESIDENT AND FELLOW SECTION Source Type: research