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

Diffusion01:12

Diffusion

Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
Diffusion01:21

Diffusion

Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
Passive Diffusion: Overview and Kinetics01:17

Passive Diffusion: Overview and Kinetics

Passive diffusion is a critical process that allows small lipophilic drugs to cross the cell membrane along a concentration gradient. This mechanism's efficiency depends on four primary factors: the membrane's surface area, the drug's lipid-water partition coefficient, the concentration gradient, and the membrane's thickness.
When administered orally, drugs establish a substantial concentration gradient between the gastrointestinal (GI) lumen and the bloodstream, expediting their diffusion into...
Interdisciplinary Care: The Health Care Team-I01:21

Interdisciplinary Care: The Health Care Team-I

An interdisciplinary team includes many healthcare professionals working together and utilizing their skills, knowledge, and expertise to provide holistic and quality patient care.
Physicians
The physician's primary responsibility is to diagnose illness and direct the medical or surgical treatment of the condition. The authority to admit patients to a healthcare agency or institution and practice care within that setting is granted to physicians by the healthcare agency or institution itself.
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Obedience01:08

Obedience

According to obedience research, we may harm others under the forceful pressures of an authority figure (Milgram, 1974). How about if the inappropriate orders were delivered with less force? The increasing interdependence between nurses and physicians compelled Hofling and his colleagues to explore nurses’ reactions to a potentially harmful medical request made by the perceived authority figure, the doctor (Hofling, Brotzman, Dalrymple, Graves, & Pierce, 1966). In this situation, obedience...

You might also read

Related Articles

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

Sort by
Same author

Cholecystectomies performed in children by pediatric surgeons compared to general surgeons in North Carolina are associated with higher institutional charges.

American journal of surgery·2022
Same author

Exploring Models for Youth Engagement in Community Health Planning: The Youth-led Community Health Learning Initiative.

Progress in community health partnerships : research, education, and action·2022
Same author

Impact of rural hospital closures on hospitalizations and associated outcomes for ambulatory and emergency care sensitive conditions.

The Journal of rural health : official journal of the American Rural Health Association and the National Rural Health Care Association·2022
Same author

Place and Population Matter in General Surgeon Location and Practice Structure.

JAMA network open·2021
Same author

The Supply and Distribution of the Preventive Medicine Physician Workforce.

Journal of public health management and practice : JPHMP·2021
Same author

Using State Licensure Data to Assess North Carolina's Health Workforce COVID-19 Response Capacity.

North Carolina medical journal·2021
Same journal

National Health Expenditure Projections, 2025-34: Strong Utilization Growth Initially, Legislative Impacts Later.

Health affairs (Project Hope)·2026
Same journal

State Medicaid Programs Face Increased Spending On Medicare Premiums.

Health affairs (Project Hope)·2026
Same journal

Not enough time.

Health affairs (Project Hope)·2026
Same journal

Medicaid Tobacco And Nicotine Cessation Treatment Rates Remained Low, 2019-24.

Health affairs (Project Hope)·2026
Same journal

Third-Party Convener Firms And The Rise Of Geographically Dispersed, High-Earning Medicare ACOs.

Health affairs (Project Hope)·2026
Same journal

The Opacity Of Price Transparency.

Health affairs (Project Hope)·2026
See all related articles

Related Experiment Video

Updated: Jul 1, 2026

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
09:55

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology

Published on: September 28, 2022

The diffusion of physicians.

Thomas C Ricketts1, Randy Randolph

  • 1American College of Surgeons Policy Research Institute, Cecil G. Sheps Center for Health Services Research, USA. tom_ricketts@unc.edu

Health Affairs (Project Hope)
|September 11, 2008
PubMed
Summary
This summary is machine-generated.

Physician migration patterns show doctors move to areas with fewer physicians but better economic opportunities. This trend may worsen healthcare access in underserved rural and urban regions.

More Related Videos

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients
09:00

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients

Published on: April 13, 2021

The Diffusion of Passive Tracers in Laminar Shear Flow
08:01

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

Related Experiment Videos

Last Updated: Jul 1, 2026

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology
09:55

Bridging the Technology Divide in the COVID-19 Era: Using Virtual Outreach to Expose Middle and High School Students to Imaging Technology

Published on: September 28, 2022

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients
09:00

TBase - an Integrated Electronic Health Record and Research Database for Kidney Transplant Recipients

Published on: April 13, 2021

The Diffusion of Passive Tracers in Laminar Shear Flow
08:01

The Diffusion of Passive Tracers in Laminar Shear Flow

Published on: May 1, 2018

Area of Science:

  • Health Services Research
  • Medical Economics
  • Rural Health

Background:

  • Physician career mobility is often explained by economic theories of seeking improved practice opportunities.
  • Understanding physician relocation patterns is crucial for healthcare workforce planning and ensuring equitable patient access.

Purpose of the Study:

  • To analyze physician movement patterns across U.S. counties between 1981-2001.
  • To investigate the relationship between physician migration and county-level socioeconomic factors and physician density.

Main Methods:

  • Utilized national physician data to track movement between counties over two decades (1981-1991 and 1991-2001).
  • Classified counties based on physician-to-population ratios and socioeconomic indicators (income, unemployment).

Main Results:

  • Approximately 25% of physicians relocated during each ten-year study period.
  • Migrating physicians predominantly moved to areas with lower physician-to-population ratios.
  • Physicians were also drawn to locations with higher per capita incomes and lower unemployment rates.

Conclusions:

  • Physician migration is influenced by a combination of practice availability (physician density) and economic incentives.
  • Continued trends may exacerbate physician shortages in underserved rural and urban areas.
  • Policy interventions may be needed to ensure equitable geographic distribution of physicians.