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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...
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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
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Atherosclerosis is a progressive disorder that leads to the thickening and narrowing of arterial walls due to plaque buildup. This condition can cause various symptoms depending on the arteries affected:Coronary Artery Disease (CAD): This condition affects the coronary arteries and may lead to chest pain (angina), shortness of breath (dyspnea), heart attacks, and other heart disease symptoms.Cerebrovascular Disease: This affects blood flow to the brain, causing transient ischemic attacks (TIAs)...
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An Acute Ischemic Stroke Resulting from Aortic Dissection.

Zijun He1, Chun-Sen Shen1, Bin Wang1

  • 1Department of Neurosurgery, PLA Army General Hospital, Beijing, China.

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|September 24, 2017
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A stroke diagnosis was initially suspected in a patient presenting with syncope and dizziness. Subsequent imaging revealed aortic dissection as the underlying cause, prompting a change in treatment strategy.

Keywords:
Acute ischemic strokeaortic dissectionhypotensionthrombolysis

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Area of Science:

  • Neurology
  • Cardiovascular Medicine
  • Radiology

Background:

  • Syncope and dizziness are common presenting symptoms that can indicate serious underlying conditions.
  • Cerebral ischemia is a critical diagnosis requiring prompt evaluation and management.
  • Aortic dissection is a life-threatening condition often presenting with chest or back pain.

Observation:

  • A 39-year-old male presented with syncope and persistent dizziness.
  • Diffusion MRI revealed acute ischemia in the right cerebellum and occipital lobe.
  • The patient developed restlessness and thoracic/back pain after thrombolysis.

Findings:

  • Intravenous recombinant tissue plasminogen activator was administered for presumed acute ischemic stroke.
  • Thorax computed tomography angiography identified aortic dissection as the cause.
  • The neurological symptoms were attributed to complications of aortic dissection.

Implications:

  • This case highlights the importance of considering aortic dissection in stroke mimics.
  • Prompt vascular imaging is essential when clinical presentation is atypical or deteriorates.
  • Misdiagnosis can lead to inappropriate treatment and delayed management of critical conditions.