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Related Concept Videos

Conservation of Energy Approach to System Analysis10:16

Conservation of Energy Approach to System Analysis

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Source: Ricardo Mejia-Alvarez and Hussam Hikmat Jabbar, Department of Mechanical Engineering, Michigan State University, East Lansing, MI
The purpose of this experiment is to demonstrate the application of the energy conservation equation to determine the performance of a flow system. To this end, the energy equation for steady, incompressible flow is applied to a short pipe with a gate valve. The gate valve is then gradually closed and its influence on flow conditions is characterized. In...
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Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
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Related Experiment Video

Updated: Jan 19, 2026

Energy Conservation Equation to Analyze a Flow System
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Penile calciphylaxis: a conservative approach.

O El-Taji1, J Bondad1, S Faruqui1

  • 1Department of Urology, Lister Hospital, Stevenage, UK.

Annals of the Royal College of Surgeons of England
|September 19, 2019
PubMed
Summary
This summary is machine-generated.

Penile calciphylaxis, a rare condition in dialysis patients, involves calcification of small arteries. Early diagnosis and a team approach are crucial for managing this high-mortality risk urological issue.

Keywords:
CalciphylaxisPenile diseasePenis

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Area of Science:

  • Urology
  • Nephrology
  • Dermatology

Background:

  • Penile calciphylaxis (calcific uremic arteriolopathy) is a rare condition.
  • It is frequently linked to end-stage renal disease and hemodialysis.
  • Often associated with systemic calciphylaxis, its specific pathophysiology and management warrant further attention.

Observation:

  • A case of penile calciphylaxis in a 59-year-old male patient on hemodialysis is presented.
  • The patient had end-stage renal failure.

Findings:

  • The patient was successfully managed conservatively.
  • This highlights the potential for non-invasive treatment strategies.

Implications:

  • Early diagnosis and a multidisciplinary approach are essential for improving outcomes.
  • Further research into penile calciphylaxis as an individual entity is needed.
  • Conservative management may be a viable option for select cases.