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Related Concept Videos

Pain01:20

Pain

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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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Bonanno's Theory of Grieving01:17

Bonanno's Theory of Grieving

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Grieving is a complex psychological and emotional process that varies significantly among individuals. George Bonanno's research on bereavement identified four distinct patterns of grieving, offering a nuanced understanding of how people cope with significant loss, such as the death of a spouse, over extended periods. These patterns — resilience, recovery, chronic dysfunction, and delayed grief — highlight the diversity in emotional responses and adaptive mechanisms.
Resilience
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Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

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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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Burn Injuries01:22

Burn Injuries

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Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
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Analgesia and Pain Management01:25

Analgesia and Pain Management

2.5K
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...
2.5K
Panic Disorder01:27

Panic Disorder

953
Panic disorder is an anxiety disorder characterized by recurrent and sudden minutes-long episodes of intense fear, known as panic attacks. These attacks may feel like heart attacks and often happen without warning or a specific cause. They can include symptoms such as rapid heart rate, shortness of breath, chest pain, trembling, sweating, dizziness, and a sense of helplessness. During a panic attack, individuals may feel as though they are experiencing a heart attack or are in a...
953

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Related Experiment Video

Updated: Mar 6, 2026

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

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Believing Jeny About Her Pain.

M S Biji

    Journal of Pain & Palliative Care Pharmacotherapy
    |March 14, 2017
    PubMed
    Summary
    This summary is machine-generated.

    A young woman

    Keywords:
    emotional distressfifth vital signpain reliefpalliative care

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    Area of Science:

    • Palliative Care
    • Oncology
    • Pain Management

    Background:

    • Cancer pain management presents challenges, especially when patients do not respond to standard analgesics.
    • Misinterpreting pain as purely emotional can lead to inadequate treatment and prolonged suffering.

    Observation:

    • A 19-year-old female cancer patient experienced severe, refractory pain.
    • Healthcare staff initially questioned the physical origin of her pain, suspecting psychological factors.

    Findings:

    • The palliative care team validated the patient's reported pain experience.
    • A tailored multimodal analgesic regimen was developed, effectively managing her pain.

    Implications:

    • Validating patient-reported pain is crucial for effective cancer pain management.
    • Palliative care expertise is essential in optimizing pain relief for complex cancer cases.
    • Holistic assessment, including psychological and physical components, improves patient outcomes and reduces suffering.