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Related Concept Videos

Impulse01:13

Impulse

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According to Newton’s second law of motion, the rate of change of the momentum of an object is the net external force acting on it. The total change in momentum between two timepoints thus depends on both the external force acting on it and the time over which it acts. Describing this mathematically, the total change of an object’s motion is proportional to the force vector and the time over which it is applied. This product is called impulse.
Additionally, it can be shown that the...
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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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Impulse Response01:17

Impulse Response

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The impulse response is the system's reaction to an input impulse. In an RC circuit, the voltage source is the input, and the capacitor's voltage is the output. The system's state and output response before and after input excitation are distinctly defined.
Kirchhoff's law forms an input signal equation, with the capacitor's current and voltage providing the output. Substituting the current and dividing by RC yields a differential equation. The output for an impulse input is the impulse...
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Principle of Impulse and Moment01:15

Principle of Impulse and Moment

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When one considers a rigid body undergoing a plane motion, which is essentially a blend of translational and rotational movement, the application of Newton's second law gives the formula for the translational movement of such a body. If this equation is multiplied by a time interval, dt, and then integrated over the limits of integration, it results in an equation that embodies the principle of linear impulse.
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Impulse-Momentum Theorem00:49

Impulse-Momentum Theorem

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The total change in the motion of an object is proportional to the total force vector acting on it and the time over which it acts. This product is called impulse, a vector quantity with the same direction as the total force acting on the object.
By writing Newton's second law of motion in terms of the momentum of an object and the external force acting on it, and simultaneously using the definition of the impulse vector, it can be shown that the total impulse on an object is equal to its...
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Principle of Angular Impulse and Momentum: Problem Solving01:19

Principle of Angular Impulse and Momentum: Problem Solving

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Consider a ball of mass m, attached to a massless rod of known length, subjected to a time-dependent torque. If the initial velocity of the mass is known, then the final velocity of the mass for time t can be determined using the principle of angular impulse and momentum.
Initially, a free-body diagram of the system is drawn to illustrate all the forces acting upon the system, providing a crucial understanding of the dynamics at play. Then, the principle of angular impulse and momentum is...
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Rat Burn Model to Study Full-Thickness Cutaneous Thermal Burn and Infection
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Impulsiveness and burn patients.

Raimo Palmu1, Timo Partonen2, Kirsi Suominen3

  • 1Department of Psychiatry, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Department of Public Health Solutions, National Institute for Health and Welfare, Helsinki, Finland.

Burns : Journal of the International Society for Burn Injuries
|October 6, 2018
PubMed
Summary
This summary is machine-generated.

Impulsiveness in burn patients strongly correlates with pre-existing mental disorders, not burn severity. Addressing mental health is crucial when studying impulsiveness after burn injuries.

Keywords:
Barratt Impulsiveness ScaleBurnsMental disorders

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Area of Science:

  • Psychiatry
  • Burn Medicine
  • Psychology

Background:

  • Impulsiveness, acting without forethought, is a trait studied in various contexts.
  • Understanding impulsiveness in burn patients is important for treatment and recovery.
  • The relationship between impulsiveness, burn characteristics, and mental health requires further investigation.

Purpose of the Study:

  • To investigate the correlations between impulsiveness and burn-related variables in acute burn patients.
  • To examine the association between impulsiveness and pre-existing mental disorders in this patient group.

Main Methods:

  • 107 acute burn patients at Helsinki Burn Center were assessed.
  • Structured Clinical Interview for DSM-IV mental disorders (SCID) was used at baseline and 6 months.
  • The Barratt Impulsiveness Scale (BIS-11) self-report measure was administered to all patients.

Main Results:

  • No significant correlation was found between impulsiveness and burn injury characteristics.
  • Significant correlations were observed between specific mental disorders and types of impulsiveness.
  • Patients with high impulsiveness were more likely to have pre-burn major depressive disorder, alcohol dependence, or substance dependence.

Conclusions:

  • Impulsiveness in burn patients is significantly associated with mental disorders, not burn variables.
  • Future research on impulsiveness in burn injuries must consider the influence of underlying mental health conditions.