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Pipe Flowrate Measurement

Pipe Flowrate Measurement

In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
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In Vitro Model of Physiological and Pathological Blood Flow with Application to Investigations of Vascular Cell Remodeling

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Intravenous Pump Flow Accuracy: A Systematic Review.

Jeannine W C Blake^1,2

¹Author Affiliations: Elaine Marieb College of Nursing, Elaine Marieb Center for Nursing & Engineering Innovation, University of Massachusetts Amherst, Amherst, Massachusetts.

Journal of Infusion Nursing : the Official Publication of the Infusion Nurses Society

|January 6, 2025

Summary

This summary is machine-generated.

Intravenous pumps (IVPs) are crucial for medication delivery but have high error rates. This review highlights a significant gap in understanding the actual clinical accuracy of IVPs in acute care settings.

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Area of Science:

Medical Devices
Pharmacology
Patient Safety

Background:

Intravenous pumps (IVPs) are widely used in acute care for medication delivery.
Despite improved safety, IVPs are associated with numerous adverse events reported to the FDA.
High error rates pose risks, particularly for elderly and critically ill patients.

Purpose of the Study:

To systematically review existing literature on the flow rate accuracy of IVPs in US acute care.
To identify knowledge gaps concerning the clinical accuracy of IVP medication delivery.

Main Methods:

Systematic literature review searching PubMed, CINHAL, and Web of Science.
Inclusion of English-language articles of any year discussing IVPs and related concepts.
Focus on concepts like outlet pressure, intake pressure, dead volume, and pump setup.

Main Results:

The literature provides a conceptual overview of IVP technology.
Key concepts related to IVP function in patient care were identified.
A significant gap exists in the understanding of actual IVP clinical accuracy.

Conclusions:

While IVP technology is understood conceptually, its real-world clinical accuracy remains under-investigated.
Further research is needed to address the gap in knowledge regarding IVP flow rate accuracy.
Ensuring accurate IVP performance is critical for patient safety in acute care settings.