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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

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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...
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Pulse Assessment Sites01:11

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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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Pathophysiology of Diabetes01:20

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility,...
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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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Capillary Beds01:20

Capillary Beds

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Capillary beds are networks of tiny blood vessels that play a crucial role in the circulatory system. These beds are where the exchange of gases, nutrients, and waste products occurs between the blood and surrounding tissues. Each capillary bed consists of numerous capillaries, which are the smallest blood vessels in the body, typically only one cell-thick. This thinness allows for the efficient diffusion of substances.
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Peripheral Artery Disease IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

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 The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses,...
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Related Experiment Video

Updated: Jan 14, 2026

Laser Doppler: A Tool for Measuring Pancreatic Islet Microvascular Vasomotion In Vivo
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Microcirculation of the Diabetic Foot.

Hau T Pham1, Aristidis Veves2, Rongxiang Xu3

  • 1Department of Surgery, Boston Medical Center, Boston, MA, USA.

Clinics in Podiatric Medicine and Surgery
|October 16, 2025
PubMed
Summary
This summary is machine-generated.

Diabetic foot ulcers affect millions, with many leading to amputation. This article explores microcirculation dysfunction as a cause and discusses management techniques for better healing outcomes.

Keywords:
Amputation riskDiabetic foot ulcersMicrocirculationPeripheral artery disease

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Area of Science:

  • Medical Science
  • Vascular Biology
  • Diabetology

Background:

  • Diabetes affects 38.4 million Americans, with a 33% lifetime risk of foot ulcers.
  • Diabetic foot ulcers have a 28% amputation rate despite advanced treatments.
  • Microcirculation dysfunction is implicated in treatment failures for diabetic wounds.

Purpose of the Study:

  • To discuss techniques for evaluating microcirculation dysfunctions in diabetic patients.
  • To outline management strategies for microcirculation dysfunctions contributing to non-healing diabetic foot ulcers.

Main Methods:

  • Review of current literature on microcirculation assessment in diabetes.
  • Discussion of advanced wound care, offloading, surgery, and revascularization outcomes.
  • Exploration of diagnostic tools and therapeutic interventions targeting microcirculation.

Main Results:

  • Microcirculation impairment is a significant factor in diabetic foot ulcer non-healing.
  • Current treatments often fail due to unaddressed microvascular issues.
  • Effective evaluation and management of microcirculation are crucial for healing.

Conclusions:

  • Addressing microcirculation dysfunction is essential for improving diabetic foot ulcer healing rates.
  • Further research into microcirculation assessment and targeted therapies is warranted.
  • Integrated approaches combining wound care with microvascular management offer improved patient outcomes.