Internal Drainage
Internal Drainage - Related Videos
01:19
Acid Mine Drainage
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2026
Mining activities that disturb sulfide-rich rocks, particularly those containing pyrite (FeS₂), initiate a cascade of geochemical and microbiological processes with serious environmental implications. When exposed to air and water, pyrite undergoes oxidation, releasing sulfate, ultimately forming sulfuric acid and mobilizing heavy metals into surrounding water systems. This phenomenon, known as acid mine drainage (AMD), results in low pH waters laden with toxic elements that threaten aquatic...
06:17
Manual Drainage of the Zebrafish Embryonic Brain Ventricles
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Cited by 9 •
2012
We present a method to collect cerebrospinal fluid (CSF) and to create a system which lacks CSF within the embryonic zebrafish brain ventricular system. This allows for further examination of CSF composition and its requirement during embryonic brain development.
09:18
Internal Standards
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2023
Source: Laboratory of Dr. B. Jill Venton - University of Virginia The goal of many chemical analyses is a quantitative analysis, where the amount of a substance in a sample is determined. In order to accurately calculate the concentration of an unknown from a sample, careful sample preparation is key. Every time a sample is handled or transferred, some of the sample can be lost. There are strategies however, for minimizing sample loss. There are also strategies for coping with sample loss and...
02:00
Internal Energy
0 Views •
2020
The total of all possible kinds of energy present in a substance is called the internal energy (U), sometimes symbolized as E. Suppose a system with initial internal energy, Uinitial, undergoes a change in energy (transfer of work or heat), and the final internal energy of the system is Ufinal. Change in internal energy equals the difference between Ufinal and Uinitial. Although the values for Ufinal and Uinitial cannot be determined for a system, the first law of thermodynamics only...
06:26
Capturing Flow-weighted Water and Suspended Particulates from Agricultural Canals During Drainage Events
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Cited by 2 •
2017
Nutrients present in particulate form can contribute significantly to the overall loads in agricultural drainage waters. This study describes a novel method to capture flow-weighted water and suspended particulates from farm canal drainage over the entire duration of the drainage event.
FAQs
Fluid moves when pressure favors passage from the accumulated collection toward a connected hollow organ. The established route must remain controlled so drainage occurs into an appropriate internal passage rather than surrounding tissue. This principle explains why the connection, its position, and ongoing patency matter for achieving effective fluid removal and limiting leakage.
These options create or maintain the pathway between the collection and its internal destination. A catheter or stent can provide a defined channel, while a surgical opening creates the connection directly. The selected approach depends on the clinical situation and must support reliable flow without introducing avoidable risks such as blockage, leakage, or infection.
Redirecting fluid internally can reduce the burden associated with maintaining an external drain and collecting fluid outside the body. It may therefore be useful when a suitable internal passage is available and the connection can be controlled. This advantage does not remove the need to assess infection, leakage, blockage, and other possible complications.
Patient selection depends on the type and location of the collection, the available hollow organ or surgically created passage, and whether a dependable connection can be established. Clinicians must also consider the likelihood of complications and the need for follow-up monitoring. These assessments help balance the practical benefits of internal flow against procedural risks.
The process begins by identifying the accumulated fluid and selecting an appropriate internal destination. Clinicians then establish a controlled connection, using a catheter, stent, or surgical opening when suitable. Afterward, they monitor the patient and the drainage pathway for effectiveness and complications. The specific technique varies with the collection and clinical circumstances.
Applications include abscesses, cysts, postoperative collections, and obstructed secretions. In each case, the goal is to provide a route for accumulated or retained fluid to leave the closed space through an internal passage. Its usefulness depends on whether the collection can be connected safely and whether the resulting flow can be maintained.
Follow-up focuses on detecting infection, leakage, blockage, and other complications that could impair drainage or harm the patient. A blocked pathway may prevent effective fluid movement, while leakage can allow fluid to escape outside the intended route. Monitoring is therefore essential even when the initial connection appears technically successful.
The approach illustrates how procedural medicine uses anatomy and controlled fluid movement to manage conditions that would otherwise require ongoing external collection. Its relevance extends across problems involving abscesses, cysts, postoperative fluid, and obstructed secretions. Decisions combine the intended clinical outcome with patient selection, pathway choice, and surveillance for complications.