Related Experiment Video
Updated: Dec 6, 2025
09:16
Multi-Modal Signals for Analyzing Pain Responses to Thermal and Electrical Stimuli
Published on: April 5, 2019
11.3K
When to consider "mixed pain"? The right questions can make a difference!
Rainer Freynhagen1,2, Roberto Rey3, Charles Argoff4
1Department of Anaesthesiology, Critical Care Medicine, Pain Therapy and Palliative Care, Benedictus Hospital Feldafing, Feldafing, Germany.
Current Medical Research and Opinion
|October 5, 2020
Summary
Mixed pain involves simultaneous nociceptive, neuropathic, and nociplastic pain types. This study offers a nine-question clinical approach to identify mixed pain and guide targeted treatments for patients.
Area of Science:
- Pain Medicine
- Neurology
- Clinical Evaluation
Background:
- Mixed pain, a complex overlap of nociceptive, neuropathic, and nociplastic pain, is increasingly recognized in conditions like low back and cancer pain.
- Current diagnosis relies on clinical judgment, lacking standardized screening tools, which poses challenges for primary care physicians.
- The exact pathophysiological mechanisms underlying mixed pain remain unclear.
Observation:
- The study proposes a methodical clinical evaluation for patients with acute, subacute, or chronic pain.
- A nine-question framework is introduced to help clinicians identify predominant pain mechanisms.
- This approach aims to validate patients' chronic pain experiences and facilitate targeted treatment.
Findings:
- The proposed nine-question assessment provides a practical tool for identifying mixed pain.
- It helps differentiate between nociceptive, neuropathic, and nociplastic pain components.
- The assessment is designed to be rapid and comprehensive for chronic pain patients.
Implications:
- Implementing this structured evaluation can improve the diagnosis of mixed pain states.
- It empowers primary care physicians to better manage patients with complex pain conditions.
- Targeted treatment strategies can be more effectively instituted based on identified pain mechanisms.
Related Concept Videos
01:25Analgesia and Pain Management
1.3K
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...
1.3K
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
212
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...
212
01:20Pain
1.1K
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...
1.1K
01:26Formulating and Validating Nursing Diagnosis I
3.4K
A nursing diagnosis is written when the nurse recognizes a cluster of essential patient data indicating health problems treated with independent nursing interventions. The standardized terminologies of a nursing diagnosis help nurses identify and treat patients' problems. Every electronic health record that uses nursing diagnosis must employ standard diagnostic terminology. Developing an efficient, individualized care plan begins with accurate nursing diagnoses.
There are thirteen domains...
There are thirteen domains...
3.4K
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
391
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
391
01:44Nociception
32.6K
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.
32.6K