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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

20
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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Assessment of Diffusion and Perfusion01:17

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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
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Assessment of the Cardiovascular System III: Palpation01:27

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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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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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Assessment of radial pulse01:11

Assessment of radial pulse

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Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
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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: Aug 2, 2025

Real-Time Assessment of Spinal Cord Microperfusion in a Porcine Model of Ischemia/Reperfusion
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Perspectives on peripheral perfusion assessment.

Eduardo Kattan1, Miguel Ibarra-Estrada2,3, Gustavo Ospina-Tascón4,5

  • 1Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.

Current Opinion in Critical Care
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Summary

Capillary refill time (CRT) is a key indicator for septic shock resuscitation. Normalizing CRT during treatment is linked to better patient outcomes in critical conditions.

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Area of Science:

  • Critical Care Medicine
  • Physiology
  • Emergency Medicine

Background:

  • Peripheral perfusion assessment is a vital sign in critically ill patients.
  • Capillary refill time (CRT) is emerging as a novel resuscitation target.
  • Septic shock management benefits from advanced hemodynamic monitoring.

Purpose of the Study:

  • To review the pathophysiological basis of CRT.
  • To explore new technologies for peripheral perfusion assessment.
  • To examine the role of CRT monitoring in septic shock and critical illness.

Main Methods:

  • Literature review of pathophysiological determinants of CRT.
  • Analysis of recent studies on peripheral perfusion assessment technologies.
  • Review of evidence from trials like ANDROMEDA-SHOCK on CRT in septic shock.

Main Results:

  • CRT is a sensitive indicator of peripheral perfusion.
  • Rapid CRT improvement after interventions like fluid bolus or passive leg raising has diagnostic and therapeutic implications.
  • Normal or rapidly normalized CRT in septic shock is associated with improved outcomes.

Conclusions:

  • Peripheral perfusion assessment, particularly CRT, is relevant in septic shock and critical illness.
  • Further research is needed to validate these findings.
  • Technological advancements may enhance peripheral perfusion monitoring.