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Related Concept Videos

One-Compartment Open Model for IV Bolus Administration: General Considerations01:19

One-Compartment Open Model for IV Bolus Administration: General Considerations

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The one-compartment model is a pharmacokinetic tool that models the body as a single, uniform compartment, facilitating the understanding of drug distribution and elimination. This model is particularly beneficial for intravenous (IV) bolus administration, where the drug rapidly circulates throughout the body.
The drug's presence in the body is defined by an equation representing the difference between the rates of drug entry and exit. Key parameters—elimination rate constant,...
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Two-Compartment Open Model: Overview01:05

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Multicompartmental models are crucial tools in pharmacokinetics, providing a framework to understand how drugs move within the body. The two-compartment model is a crucial subtype, segmenting the body into central and peripheral compartments. The central compartment represents areas with high blood flow, such as plasma and highly perfused organs like the kidneys and liver, while the peripheral compartment signifies tissues with lower blood flow, like adipose tissue and muscle tissue.
The...
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Two-Compartment Open Model: IV Infusion01:15

Two-Compartment Open Model: IV Infusion

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A two-compartment model is a vital tool in pharmacokinetics, providing an essential understanding of drug behavior, especially for those administered via zero-order intravenous infusion. This model outlines two compartments: the central compartment, where elimination occurs, and the peripheral compartment.
The model illustrates the decrease in plasma drug concentration from the central compartment with a specific equation. It shows that under steady-state conditions, the drug's input rate...
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Compartment Models: Two-Compartment Model01:20

Compartment Models: Two-Compartment Model

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The two-compartment model divides the body into central and peripheral compartments to account for varying blood perfusion rates among organs and tissues, affecting drug distribution. The central compartment includes blood and highly perfused tissues with rapid drug distribution, while the peripheral compartment contains tissues with slower drug distribution. After a single IV bolus dose, the drug concentration is high in plasma and low in tissues. The drug distribution between compartments...
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Compartment Models: Single-Compartment Model01:14

Compartment Models: Single-Compartment Model

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The single-compartment model serves as a simplified representation of the human body. This model assumes that the body functions as a single, well-mixed open compartment. When a drug is administered intravenously, it enters the body and quickly distributes uniformly. The drug then undergoes biotransformation and elimination, ultimately leaving the body. The volume of this compartment is referred to as the apparent volume of distribution into which the drug can uniformly distribute. In this...
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One-Compartment Model: IV Infusion01:09

One-Compartment Model: IV Infusion

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Intravenous (IV) infusion is often utilized when continuous and controlled drug delivery is necessary, such as during surgery or in the treatment of chronic diseases. This method offers numerous advantages, including immediate drug action, precise control over dosage, and bypassing the first-pass metabolism.
The one-compartment model for IV infusion uses mathematical equations to describe the rate of change in drug quantity in the body. At steady-state or infusion equilibrium, the drug input...
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Updated: Oct 27, 2025

A Modified Sonographic Algorithm for Image Acquisition in Life-Threatening Emergencies in the Critically Ill Newborn
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Introducing a one-queue model to the paediatric emergency department.

Charles Greenbury1, Lalarukh Asim2, Hannah Baynes3

  • 1Paediatric Emergency Department, King's College Hospital, London, UK charles.greenbury@nhs.net.

Archives of Disease in Childhood. Education and Practice Edition
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A new

Keywords:
COVID-19data collectionhealth services researchqualitative research

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Area of Science:

  • Emergency Medicine
  • Pediatric Care
  • Healthcare Management

Background:

  • Paediatric emergency departments (PEDs) often face challenges with patient flow and team dynamics.
  • Traditional multi-triage systems can lead to inefficiencies and fragmented care.

Purpose of the Study:

  • To evaluate the impact of implementing a 'One Queue' system in a PED.
  • To assess improvements in patient flow, clinician experience, and team cohesion.

Main Methods:

  • Introduction of a single-stream triage destination ('One Queue') in the PED.
  • Data collection on patient flow metrics, clinician surveys, and team observations.

Main Results:

  • The 'One Queue' system streamlined patient processing.
  • Positive feedback was received regarding improved clinician experience and team collaboration.

Conclusions:

  • Implementing a single-stream triage system ('One Queue') can enhance operational efficiency in PEDs.
  • This model shows promise for improving the overall healthcare environment for both patients and staff.