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Related Concept Videos

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

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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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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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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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Proper measurement of leg blood pressure is a critical skill for healthcare providers, ensuring precise and reliable readings. When performed correctly, this procedure informs patient care and enhances the efficacy of interventions. The following text outlines step-by-step guidelines to measure blood pressure in the leg, providing clarity and ease of understanding for practitioners.
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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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Related Experiment Video

Updated: Mar 6, 2026

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
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Google Maps offers a new way to evaluate claudication.

Husain Khambati1, Kim Boles1, Prasad Jetty1

  • 1Division of Vascular and Endovascular Surgery, Ottawa Hospital and the University of Ottawa, Ottawa, Ontario, Canada.

Journal of Vascular Surgery
|March 6, 2017
PubMed
Summary
This summary is machine-generated.

Google Maps accurately assesses walking distances for peripheral arterial disease patients, correlating highly with treadmill tests. This accessible tool offers an efficient alternative for evaluating walking capacity in claudication patients.

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Area of Science:

  • Vascular Surgery
  • Clinical Assessment Tools
  • Digital Health Applications

Background:

  • Accurate walking capacity assessment is crucial for diagnosing and managing peripheral arterial disease (PAD).
  • Current gold standard, treadmill testing, has limitations in reflecting natural walking conditions and accessibility.
  • Alternative methods are needed to evaluate walking capacity in PAD patients.

Purpose of the Study:

  • To determine if Google Maps, a GPS-based tool, can accurately assess walking distances in patients with vascular claudication.
  • To compare the accuracy of Google Maps with traditional methods like clinical history, the Walking Impairment Questionnaire (WIQ), and treadmill testing.

Main Methods:

  • Prospective enrollment of 15 patients with vasculogenic claudication symptoms at an outpatient vascular surgery clinic.
  • Evaluation of claudication onset and maximal walking distance (MWD) using history, WIQ, Google Maps, and treadmill testing.
  • Double-blinded recording of treadmill test results for comparison.

Main Results:

  • Google Maps demonstrated high correlation with treadmill testing for both claudication onset (r = .805) and MWD (r = .928).
  • Google Maps was more accurate than clinical history and WIQ, which tended to under-report distances.
  • The Google Maps tool was efficient, with reporting times averaging under 4 minutes.

Conclusions:

  • Google Maps is a promising, accurate, and accessible tool for assessing walking distances in vascular claudicants without other mobility limitations.
  • It combines the objectivity of treadmill testing with real-world walking environments.
  • Offers an inexpensive and efficient method for evaluating walking capacity in PAD patients.