Related Experiment Video
Updated: May 15, 2026
18:50
Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
Endocarditis-Induced Mycotic Brain Aneurysm following Right MCA Stroke
Brandon Allen1, Bobby Desai, Michael Falgiani
1Department of Emergency Medicine, University of Florida College of Medicine, 1329 SW 16th Street, P.O. Box 100186, Gainesville, FL 32610-0186, USA.
Case Reports in Emergency Medicine
|January 18, 2013
Summary
A rare case of cerebrovascular accident (CVA) is presented, detailing a mycotic brain aneurysm hemorrhage after an embolic stroke. This uncommon event highlights a complex diagnostic challenge in emergency medicine.
Area of Science:
- Neurology
- Cardiology
- Infectious Diseases
Background:
- Cerebrovascular accidents (CVAs) are frequent in emergency settings.
- Mycotic brain aneurysms are rare but serious complications.
- Embolic strokes can predispose individuals to further cerebrovascular events.
Observation:
- This case report details an extremely uncommon CVA presentation.
- The event involved hemorrhage secondary to a mycotic brain aneurysm.
- The aneurysm developed subsequent to an initial embolic stroke.
Findings:
- The patient experienced a CVA due to a ruptured mycotic aneurysm.
- This specific sequence of embolic stroke followed by mycotic aneurysm hemorrhage is exceptionally rare.
- Diagnostic and management challenges were encountered.
Implications:
- Highlights the importance of considering rare etiologies in CVA diagnosis.
- Underscores the potential for complex, multi-stage cerebrovascular events.
- Informs emergency medicine protocols for unusual stroke presentations.
Related Concept Videos
01:26Brain Abscess l: Introduction
A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
01:15Ischemic Stroke ll: Pathophysiology
An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
01:26Transient Ischemic Attack l: Introduction
A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
01:29Hemorrhagic Stroke ll: Pathophysiology
A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...