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Related Concept Videos

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
Peripheral Artery Disease I: Introduction01:30

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Assessment of the Cardiovascular System III: Palpation

Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above the...
Peripheral Artery Disease V: Postoperative Nursing Management01:23

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During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Ischemic Stroke ll: Pathophysiology01:15

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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...
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Transient 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...

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Updated: Jun 19, 2026

Murine Model of Hindlimb Ischemia
12:51

Murine Model of Hindlimb Ischemia

Published on: January 21, 2009

Acute limb ischemia.

T Gregory Walker1

  • 1Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA. Tgwalker@partners.org

Techniques in Vascular and Interventional Radiology
|October 27, 2009
PubMed
Summary
This summary is machine-generated.

Acute limb ischemia requires prompt intervention to save limbs and lives. Endovascular techniques offer effective treatment options for patients with moderate ischemia, complementing surgical approaches for severe cases.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology

Background:

  • Acute limb ischemia (ALI) is a vascular emergency caused by sudden blood flow interruption.
  • Delayed treatment of ALI can lead to limb loss, severe morbidity, and mortality.

Purpose of the Study:

  • To outline an approach to managing acutely ischemic limbs.
  • To highlight the role and techniques of endovascular interventions in ALI treatment.

Main Methods:

  • Review of diagnostic modalities including catheter angiography, ultrasound, CT angiography, and MR angiography.
  • Discussion of treatment strategies based on ischemia severity: surgical revascularization for severe cases, endovascular interventions for moderate cases.
  • Evaluation of pharmacologic thrombolysis and percutaneous mechanical thrombectomy devices.

Main Results:

  • Treatment choice depends on the clinical degree of ischemic insult.
  • Endovascular interventions like catheter-directed thrombolysis are suitable for moderate ALI.
  • Percutaneous mechanical thrombectomy is an emerging option, alone or with thrombolysis.

Conclusions:

  • Early intervention is critical for limb salvage in ALI.
  • Endovascular strategies are increasingly important in the management of ALI.
  • A tailored approach considering ischemia severity and patient factors guides optimal treatment.