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Related Concept Videos

Pain01:20

Pain

495
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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Blood and Nerve Supply to the Bones01:29

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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
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Nociception01:44

Nociception

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Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Critical Thinking II01:25

Critical Thinking II

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Critical thinking is a cognitive process with several attributes. The attributes of critical thinking include the following:
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Analgesia and Pain Management01:25

Analgesia and Pain Management

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Patient-centered Care01:13

Patient-centered Care

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Patient-centered care involves delivering care beyond inpatient hospitalization. Reflective practice can enhance a patient-centered approach. Reflective practice is a process of reasoning that considers all aspects of the present situation, including practicalities, learning from personal practice, and consideration of patient needs. Patients appreciate care decisions made while considering their input. Involving the patient in their care provides the patient with a sense of contribution rather...
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Related Experiment Video

Updated: Jul 15, 2025

Author Spotlight: Quantifying Pain Experience – An Illustrative Approach Using the Pain Body Diagram
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Author Spotlight: Quantifying Pain Experience – An Illustrative Approach Using the Pain Body Diagram

Published on: July 7, 2023

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Thinking Through the Pain.

Keith Wailoo

    Perspectives in Biology and Medicine
    |September 28, 2023
    PubMed
    Summary

    Chronic pain management is complex, involving clinical, cultural, and political factors. Understanding these elements is crucial for effective patient care and social welfare considerations.

    Area of Science:

    • Medical Humanities
    • Sociology of Health
    • Pain Management Studies

    Background:

    • Chronic pain, including low back pain, migraines, and arthritis, significantly impacts individuals and healthcare systems.
    • The management of chronic pain is complicated by its multifaceted nature, extending beyond clinical symptoms.
    • Previous work has established pain as a clinical, cultural, and political issue.

    Purpose of the Study:

    • To explore the persistent controversies in chronic pain care.
    • To analyze the interconnectedness of clinical judgment, cultural perceptions, and political/social welfare issues in pain management.

    Main Methods:

    • This study is based on a critical review and synthesis of existing literature and the author's previous publications.
    • It employs a socio-political and historical analysis framework to examine pain care debates.

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  • The methodology involves analyzing the complex questions surrounding pain claims, relief, and social support.

    • Main Results:

    • Pain care controversies stem from the inherent difficulty in objectively measuring pain.
    • Questions about the efficacy and risks of pain medication, such as addiction, complicate treatment decisions.
    • The determination of disability benefits for individuals with chronic pain is deeply intertwined with social welfare policies.

    Conclusions:

    • Addressing chronic pain effectively requires acknowledging its political dimensions, alongside clinical and cultural aspects.
    • Policy decisions regarding pain management and social support must consider the complex interplay of these factors.
    • A comprehensive approach is needed to navigate the challenges in providing adequate care and support for individuals experiencing chronic pain.