Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Pressure Gauges01:20

Pressure Gauges

5.4K
Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...
5.4K
Errors occurring during blood pressure monitoring01:25

Errors occurring during blood pressure monitoring

1.6K
Blood pressure monitoring is a crucial clinical procedure in diagnosing and managing various cardiovascular conditions. Despite its significance, the accuracy of blood pressure measurements can be compromised by multiple factors, potentially leading to either falsely high or low readings. These inaccuracies are critical as they can significantly impact patient care. So, it is vital to understand these challenges deeply and adopt strategic approaches to minimize errors.
Several factors...
1.6K
Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

37.7K
Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
37.7K
Galvanometer01:24

Galvanometer

3.0K
Common devices, including car instrument panels, battery chargers, and inexpensive electrical instruments, measure potential difference (voltage), current, or resistance using a d'Arsonval galvanometer. This electromechanical instrument is also known as a moving coil galvanometer.
The galvanometer consists of  two concave-shaped permanent magnets, providing a uniform radial magnetic field in the annular region. In the center, a pivoted coil of fine copper wire is placed in the uniform...
3.0K
Common Leveling Mistakes and Errors01:17

Common Leveling Mistakes and Errors

703
A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
703
Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

2.3K
Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
2.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Searching for clues on how the Supreme Court would rule on subsidies.

Modern healthcare·2014
Same author

A standard of care: patient-safety advocates issue call for watchdog.

Modern healthcare·2014
Same author

The flaw in the law. Millions at risk of losing coverage in lawsuit challenging subsidies.

Modern healthcare·2014
Same author

Hobby Lobby ruling may spur shift away from employer coverage.

Modern healthcare·2014
Same author

'All of a sudden, there was fire'.

Modern healthcare·2014
Same author

High court ruling forcing NLRB to reopen cases has hospitals wary.

Modern healthcare·2014
Same journal

Most frequently billed DRGs: Ranked by 2014 Medicare patient discharges.

Modern healthcare·2019
Same journal

Demand for nurses by state through 2025: Ranked by projected demand in 2025.

Modern healthcare·2019
Same journal

Largest healthcare real estate investment trusts: Publicly traded healthcare REITs ranked by market capitalization, as of May 31.

Modern healthcare·2019
Same journal

Top 10 patient advocacy/research organizations: Ranked by 2014 revenue, based on Modern Healthcare's review of IRS Form 990s.

Modern healthcare·2019
Same journal

Largest associations of healthcare professionals Ranked by 2014 revenue, based on Modern Healthcare's review of IRS Form 990s.

Modern healthcare·2019
Same journal

Health IT priorities.

Modern healthcare·2019
See all related articles

Related Experiment Video

Updated: May 6, 2026

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH
07:59

A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

Published on: August 1, 2018

8.1K

Faulty gauge?

Joe Carlson

    Modern Healthcare
    |November 9, 2013
    PubMed
    Summary
    This summary is machine-generated.

    Hospital readmission rates may appear lower due to increased use of observation status, not necessarily improved patient health. This highlights limitations in healthcare quality metrics.

    More Related Videos

    Intermediate Strain Rate Material Characterization with Digital Image Correlation
    07:59

    Intermediate Strain Rate Material Characterization with Digital Image Correlation

    Published on: March 1, 2019

    6.8K
    Accurate Determination of the Equilibrium Surface Tension Values with Area Perturbation Tests
    07:57

    Accurate Determination of the Equilibrium Surface Tension Values with Area Perturbation Tests

    Published on: August 30, 2019

    6.8K

    Related Experiment Videos

    Last Updated: May 6, 2026

    A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH
    07:59

    A Strain Gauge Monitor SGM for Continuous Valve Gape Measurements in Bivalve Molluscs in Response to Laboratory Induced Diel-cycling Hypoxia and pH

    Published on: August 1, 2018

    8.1K
    Intermediate Strain Rate Material Characterization with Digital Image Correlation
    07:59

    Intermediate Strain Rate Material Characterization with Digital Image Correlation

    Published on: March 1, 2019

    6.8K
    Accurate Determination of the Equilibrium Surface Tension Values with Area Perturbation Tests
    07:57

    Accurate Determination of the Equilibrium Surface Tension Values with Area Perturbation Tests

    Published on: August 30, 2019

    6.8K

    Area of Science:

    • Healthcare quality measurement
    • Hospital performance metrics

    Background:

    • Hospital 30-day readmissions are a key performance indicator.
    • A recent observed decrease in readmissions has been noted.

    Purpose of the Study:

    • To investigate the reasons behind the apparent decrease in hospital 30-day readmissions.
    • To evaluate the impact of patient observation status on readmission metrics.

    Main Methods:

    • Analysis of hospital admission and observation status data.
    • Examination of quality measurement methodologies.

    Main Results:

    • The decline in 30-day readmissions may be influenced by an increase in patients classified under observation status.
    • This shift in patient classification can obscure true changes in patient health outcomes.

    Conclusions:

    • Current quality measures for hospital readmissions may not fully capture patient health status.
    • The definition and application of patient status (inpatient vs. observation) significantly impact performance metrics.