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Related Concept Videos

One-Compartment Model: IV Infusion01:09

One-Compartment Model: IV Infusion

567
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...
567
Two-Compartment Open Model: IV Infusion01:15

Two-Compartment Open Model: IV Infusion

645
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...
645
Drug Accumulation During Multiple Dosing: Intermittent IV Infusions01:24

Drug Accumulation During Multiple Dosing: Intermittent IV Infusions

290
Intermittent intravenous (IV) infusion is a method of drug administration where medications are delivered over short infusion periods followed by intervals of no drug delivery. This approach helps to prevent sustained high drug concentrations in the bloodstream, reducing the risk of adverse effects associated with prolonged exposure. Unlike continuous infusion, steady-state concentrations may not be achieved during a single dosing cycle but can be reached through repeated...
290
Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices01:28

Parenteral Drug Delivery Systems: Injectables, Implants, and Infusion Devices

43
Parenteral drug delivery systems play a crucial role in modern therapeutics by enabling the direct administration of drugs into the systemic circulation, bypassing the gastrointestinal tract. These systems are particularly valuable for poorly absorbed oral medications that are unstable in the digestive environment or require rapid onset or sustained therapeutic levels. Delivery is achieved through intravenous, intramuscular, or subcutaneous routes, each selected based on the drug's properties...
43
IV Infusion to Oral Dosing: Conversion Methods01:28

IV Infusion to Oral Dosing: Conversion Methods

47
The development of extended-release formulations has facilitated the transition from intravenous to oral medication, offering a more convenient and patient-friendly approach to drug administration. This transition, however, requires careful management to ensure that therapeutic drug levels are maintained, preserving efficacy and avoiding adverse effects. Understanding pharmacokinetic principles and dosage calculations is critical during this process.Pharmacokinetics of the...
47
Pumped Concrete01:13

Pumped Concrete

428
Concrete in large quantities can be pumped across long distances for placing in inaccessible sites. This system comprises a hopper that receives concrete from a mixer, a pump to propel the concrete, and pipelines that facilitate its delivery.
For direct-acting pumps, the concrete enters the pump via the inlet valve under the action of gravity and suction created by the movement of the piston. This concrete is then forced into the pipeline and out through the outlet valve by the forward movement...
428

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Related Experiment Video

Updated: Feb 23, 2026

A Model of Chronic Nutrient Infusion in the Rat
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Understanding Infusion Pumps.

Jeff E Mandel1

  • 1From the Department of Anesthesiology & Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania.

Anesthesia and Analgesia
|September 1, 2017
PubMed
Summary
This summary is machine-generated.

Understanding anesthetic infusion systems, including gravity feed, piston, peristaltic, and syringe types, is crucial. Recognizing potential failures like occlusion and air bubbles enhances safe drug delivery.

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Area of Science:

  • Anesthesiology
  • Biomedical Engineering

Background:

  • Anesthetic drug delivery relies on electromechanical infusion systems.
  • These systems require precise operation for patient safety.

Purpose of the Study:

  • To describe different types of anesthetic infusion systems.
  • To identify common failure modes and their implications.
  • To discuss system advantages and monitoring capabilities.

Main Methods:

  • Review of four primary infusion system types: gravity feed, in-line piston, peristaltic, and syringe.
  • Analysis of potential system failure modes including occlusion, disconnection, siphoning, infiltration, and air bubbles.
  • Discussion of relative system advantages and monitoring features.

Main Results:

  • Four main types of anesthetic infusion systems exist, each with unique operational characteristics.
  • Common failure modes can compromise drug delivery accuracy and patient safety.
  • Understanding system functions and potential issues is key to effective use.

Conclusions:

  • Familiarity with anesthetic infusion system mechanics and failure modes improves user confidence and safe practice.
  • Proper selection and monitoring of infusion systems are vital for precise anesthetic drug administration.