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Related Concept Videos

Spinal Cord01:26

Spinal Cord

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The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
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The Spinal Cord01:54

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The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
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The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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Spinal Cord: Cross-sectional Anatomy01:16

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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
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Aortic Regurgitation I: Introduction01:15

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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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Acute Aortic Occlusion With Spinal Cord Infarction.

Darrell R Over1, Jeffery Deaver1, Carla Y Pumphery1

  • 1is an Associate Professor and an Associate Residency Director at the University of Arkansas for Medical Sciences (South Central). is a Physician at Baptist Medical Center in North Little Rock and is a Physician at Jefferson Regional Medical Center in Pine Bluff, all in Arkansas. Dr Over is affiliated with the Central Arkansas Veterans Healthcare System Pine Bluff Community-Based Outpatient Clinic.

Federal Practitioner : for the Health Care Professionals of the VA, Dod, and PHS
|February 16, 2019
PubMed
Summary
This summary is machine-generated.

Sudden leg pain, bowel dysfunction, and signs of poor circulation like mottled, cool skin in the legs may indicate acute aortic occlusion. Prompt recognition is crucial for timely intervention in patients with these critical symptoms.

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Area of Science:

  • Vascular Surgery
  • Emergency Medicine
  • Cardiology

Background:

  • Acute aortic occlusion is a rare but life-threatening vascular emergency.
  • Early diagnosis is critical for limb salvage and patient survival.
  • Recognizing subtle clinical signs can improve patient outcomes.

Observation:

  • Patients may present with abrupt onset of bilateral leg pain.
  • Sphincter dysfunction can be an associated symptom.
  • Physical examination may reveal lower extremity mottling and cool skin, indicating vascular compromise.

Findings:

  • The constellation of symptoms suggests a potential diagnosis of acute aortic occlusion.
  • Vascular compromise in the lower extremities is a key indicator.
  • Prompt clinical suspicion is warranted based on these findings.

Implications:

  • Alerting healthcare providers to these signs can expedite diagnosis and treatment.
  • Timely intervention can prevent irreversible limb damage and systemic complications.
  • This presentation highlights the importance of a thorough vascular assessment in emergency settings.