Heat Pain Testing
Heat Pain Testing - Related Videos
07:28
A Protocol of Manual Tests to Measure Sensation and Pain in Humans
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Cited by 24 •
2016
The goal of this procedure is to demonstrate a battery of quantitative techniques for sensory and pain measurement in humans. The equipment and techniques described are commonly found in pain clinics or are easy to obtain.
13:21
Determining heat and mechanical pain threshold in inflamed skin of human subjects
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Cited by 21 •
2009
Algorithms assessing heat and mechanical pain thresholds in experimentally inflamed skin of human study subjects are shown. The two pain testing paradigms independently examine nociceptive processing by the two major peripheral nerve fiber populations transmitting pain, i.e., non-myelinated C fibers and small myelinated A-delta fibers.
08:23
Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats
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Cited by 151 •
2012
Due to the simplicity of surgery and the robust behavioural outcome, chronic constriction of the sciatic nerve is one of the pre-eminent animal models of neuropathic pain. Within 24 hrs following surgery, pain hypersensitivity is established and can be quantitatively measured using a von Frey aesthesiometer (mechanical test) and plantar analgesia meter (thermal test).
08:35
Testing the Heat Transfer Efficiency of a Finned-tube Heat Exchanger
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2023
Source: Michael G. Benton and Kerry M. Dooley, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Heat exchangers transfer heat from one fluid to another fluid. Multiple classes of heat exchangers exist to fill different needs. Some of the most common types are shell and tube exchangers and plate exchangers1. Shell and tube heat exchangers use a system of tubes through which fluid flows1. One set of tubes contains the liquid to be cooled or heated, while the second...
14:56
An Experimental Paradigm for the Prediction of Post-Operative Pain (PPOP)
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Cited by 107 •
2010
Diffuse noxious inhibitory control, temporal summation and wound hyperalgesia testing are demonstrated in the obstetric patient. These tests evaluate inhibitory and excitatory mechanisms of pain processing and are here utilized to evaluate endogenous analgesia at different time-points during pregnancy and the peripartum period to help reveal individual s risk for persistent pain.
FAQs
These measures capture different points in the response to thermal stimulation. A threshold reflects when heat first becomes painful, whereas tolerance concerns how much stimulation an individual accepts. Intensity ratings describe the perceived severity, and withdrawal behavior records a behavioral reaction. Comparing these outcomes helps distinguish sensory reporting from observable responses.
Calibration links the applied heat stimulus to a known, controlled temperature condition, allowing responses to be compared across measurements. As temperature changes, the procedure can reveal how sensory and behavioral outcomes shift with stimulus strength. Without consistent stimulus conditions, differences in reported pain, intensity, or withdrawal may be difficult to interpret.
Variation in threshold, tolerance, intensity ratings, or withdrawal can indicate that people process noxious input differently. Examining these responses together provides a more complete view than relying on a single measure. In medicine, this pattern can help characterize altered sensitivity, including changes associated with neuropathic pain and other disturbances of nociceptive processing.
A session applies a calibrated heat source to the skin under controlled stimulus conditions. Temperature is then varied or otherwise presented according to the measurement goal, while the individual’s response is recorded. The resulting data may include a pain threshold, tolerance, perceived intensity, or withdrawal behavior, creating linked stimulus-response measurements for analysis.
The method is useful when investigators need a standardized assessment of sensitivity to noxious thermal stimulation. It can support characterization of pain-related changes in conditions such as neuropathic pain, provide measurements for pain-mechanism research, and help evaluate whether analgesic treatments alter sensory or behavioral responses.
Measurements collected before and after treatment can show whether the intervention changes thermal pain responses. Researchers may compare thresholds, tolerance, intensity ratings, or withdrawal behavior under corresponding stimulus conditions. Such comparisons provide evidence about treatment-related changes in pain sensitivity and can contribute to evaluating analgesic effects during medical research.