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Related Concept Videos

AC Sources01:20

AC Sources

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Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
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Resistor in an AC Circuit01:31

Resistor in an AC Circuit

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An alternating emf or voltage source is needed to supply an alternating current (AC) to a circuit. A coil of wire rotating in a magnetic field at a constant angular speed represents such a source. It also generates a sinusoidal alternating emf and serves as an industrial alternator.
One-way current through the meter is measured using diodes. A diode is a device with better conductivity in one direction compared to the other; in its ideal state, it has zero resistance in one direction and allows...
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Power in an AC Circuit01:26

Power in an AC Circuit

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In a DC circuit, the power consumed is simply the product of the DC voltage times the DC current, given in watts. However, the power consumed for AC circuits with reactive components is calculated differently. Since electrical power is the "rate" at which energy is used in a circuit, all electrical and electronic components and devices have a safe operating range for electrical power.
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Noncompartmental Analysis: Mean Residence Time01:05

Noncompartmental Analysis: Mean Residence Time

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According to statistical moment theory, mean residence time (MRT) is an important measure in pharmacokinetics. MRT can be defined as the expected mean of a probability density function distribution. It provides valuable insights into drug disposition in the body.
After the administration of a drug through intravenous bolus injection, the drug molecules are distributed throughout the body and remain there for varying periods. The MRT represents the average time these drug molecules stay in the...
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Reducing Line Loss01:18

Reducing Line Loss

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In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
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RMS Value in AC Circuit01:13

RMS Value in AC Circuit

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The root mean square (RMS) value is a measure of the effective or average value of an alternating current (AC) waveform. In AC circuits, the voltage or current waveform constantly changes direction and magnitude, making it difficult to describe with a single value. The RMS value provides a convenient way to calculate the equivalent DC voltage or current that would produce the same heating effect in a resistor as the AC waveform.
Mathematically, the RMS value of an AC waveform is the square root...
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Author Spotlight: Emerging Technologies and Advanced Tools for Decoding Metabolomics Data Analysis
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Resident-Specific Morbidity Reduced Following ACS NSQIP Data-Driven Quality Program.

Florence E Turrentine1, John B Hanks1, Megan C Tracci1

  • 1Department of Surgery, School of Medicine, University of Virginia, Charlottesville, Virginia.

Journal of Surgical Education
|April 21, 2018
PubMed
Summary

Surgical residents who received resident-specific outcomes data showed improved surgical quality and reduced morbidity. This educational intervention helped them achieve higher competency levels in quality improvement.

Keywords:
Practice-Based Learning and Improvementgeneral surgery milestonesquality in-training initiativeresident trainingresident-specific surgical outcomessurgical morbiditysurgical quality

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Area of Science:

  • Medical Education
  • Surgical Quality Improvement
  • Resident Competency Assessment

Background:

  • The Accreditation Council for Graduate Medical Education (ACGME) Milestone Project enhances surgical resident competence tracking.
  • This framework supports systematic development in surgical quality improvement (QI).

Purpose of the Study:

  • To evaluate an educational program using resident-specific surgical outcomes data.
  • To assess the impact on postgraduate year 4 (PGY-4) surgery residents' QI competencies and patient outcomes.

Main Methods:

  • A 22-month interactive educational program was implemented for PGY-4 surgery residents.
  • Resident-specific American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) Quality In-Training Initiative (QI-TI) morbidity data was analyzed pre- and post-intervention.
  • Self-assessment, QI knowledge tests, and QI-TI morbidity were compared.

Main Results:

  • QI-TI morbidity decreased significantly from 25% to 18% (p = 0.015), with residents performing more complex cases.
  • All residents achieved Level 4 competency in the "Improvement of Care" domain.
  • Institutional ACS NSQIP general surgery morbidity improved from the ninth to the sixth decile.
  • No significant improvement was observed in QI self-assessment or knowledge test scores post-intervention.

Conclusions:

  • Sharing validated resident-specific clinical data with surgical residents is linked to better surgical outcomes.
  • PGY-4 residents demonstrated significant reductions in surgical morbidity and achieved high competency in QI.
  • The intervention effectively improved resident performance in practice-based learning and improvement.