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Related Concept Videos

Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

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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...
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Arteries of Lower Limbs01:20

Arteries of Lower Limbs

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The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular...
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Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia01:16

Local Anesthetics: Clinical Application as Intravenous Regional Anesthesia

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Intravenous regional anesthesia or the Bier block technique is used to anesthetize a specific limb or extremity. It uses exsanguinated or blood-drained vessels to transport local anesthetics or LAs to the peripheral nerve trunks. Lidocaine without vasoconstrictors like epinephrine is most commonly used for this technique. Other drugs used are prilocaine, ropivacaine, and chloroprocaine. Bupivacaine is not recommended for this technique due to its high cardiac toxicity.
One of the advantages of...
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Ischemic Heart Disease: Overview01:17

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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Arteries of the Upper Limbs01:12

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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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Pulse Assessment Sites01:11

Pulse Assessment Sites

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Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
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Related Experiment Video

Updated: May 24, 2025

Murine Model of Hindlimb Ischemia
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[Acute limb ischaemia].

Josephine Dissing Bagge1, Nikolaj Eldrup1,2, Tim Resch1,2

  • 1Afdeling for Karkirurgi, Københavns Universitetshospital - Rigshospitalet.

Ugeskrift for Laeger
|March 3, 2025
PubMed
Summary
This summary is machine-generated.

Acute limb ischemia, a vascular emergency, requires prompt assessment. Endovascular treatment is a viable option for patients with elevated perioperative risk, potentially reducing amputation.

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Area of Science:

  • Vascular Surgery
  • Interventional Cardiology

Background:

  • Acute limb ischemia (ALI) is a critical vascular emergency with significant morbidity and mortality.
  • ALI is characterized by a sudden decrease in arterial blood flow, with symptoms lasting less than 14 days.
  • Classic signs include pain, pallor, pulselessness, paresthesia, paralysis, and coldness (the six P's).

Purpose of the Study:

  • To review the current understanding and management strategies for acute limb ischemia.
  • To highlight the role and benefits of endovascular treatment in specific patient populations with ALI.
  • To advocate for the consideration of endovascular approaches in patients at higher surgical risk.

Main Methods:

  • Review of existing literature on acute limb ischemia.
  • Analysis of treatment modalities including catheter-directed thrombolysis, endovascular revascularization, and open surgery.
  • Evaluation of patient selection criteria for different treatment approaches.

Main Results:

  • Prompt assessment is crucial for limb salvage in ALI.
  • Treatment options for ALI are diverse, encompassing endovascular and open surgical techniques.
  • Endovascular revascularization offers a less invasive alternative, particularly beneficial for high-risk patients.

Conclusions:

  • Acute limb ischemia presents a significant clinical challenge requiring rapid diagnosis and intervention.
  • Endovascular treatment strategies are increasingly important in managing ALI, especially in patients with comorbidities.
  • This review supports the consideration of endovascular interventions for ALI patients facing higher perioperative risks.