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Related Concept Videos

Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding01:15

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Enteral nutrition encompasses various methods of delivering nutrition directly to the gastrointestinal (GI) tract, bypassing traditional oral intake. It is particularly beneficial for patients who cannot eat by mouth but have a functioning digestive system. Key methods include nasointestinal feeding, gastrostomy, and jejunostomy, each suited to different clinical scenarios based on the patient's needs and condition.
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The uterine or fallopian tubes function as the conduit through which oocytes travel from the ovaries to the uterus. Each fallopian tube measures approximately 10 to 13 cm long and is anatomically divided into the infundibulum, ampulla, isthmus, and interstitial part (or intramural segment). The infundibulum is characterized by its funnel shape and features extensions called fimbriae which reach towards the peritoneal cavity. These fimbriae play a critical role during ovulation as they extend...
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Endotracheal Tube Extubation01:24

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Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
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Tracheostomy: Procedure and Tubes01:28

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A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
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Rise of Liquid in a Capillary Tube01:18

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When very thin cylindrical tubes, called capillaries, are dipped in a liquid, the liquid rises or falls in the tube compared to the surrounding liquid. This phenomenon is called capillary action. Capillary action occurs due to the combination of two opposing forces: the cohesive forces of the liquid, which cause it to stick to itself and form a rounded shape, and the adhesive forces between the liquid and the walls of the container, which cause the liquid to be attracted to the container walls.
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Steady, Laminar Flow in Circular Tubes01:23

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Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is purely axial,...
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Percutaneous Gastrostomy Tube Placement: Recognizing When Things Go Wrong.

Peter T Hoang1, Christine O Menias2, Matthew M Niemeyer3

  • 1Diagnostic Radiology, Mayo Clinic Arizona, Phoenix, Arizona.

Seminars in Interventional Radiology
|August 23, 2019
PubMed
Summary
This summary is machine-generated.

Percutaneous radiologic gastrostomy offers a safe, minimally invasive, and cost-effective method for long-term enteral feeding. Understanding potential complications and their imaging features is crucial for prompt radiologist intervention.

Keywords:
drainagegastrostomyinterventional radiologysurgical interventions

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Area of Science:

  • Radiology
  • Gastroenterology
  • Medical Procedures

Background:

  • Percutaneous radiologic gastrostomy (PRG) is a frequent procedure for long-term enteral access.
  • It is favored for being minimally invasive, cost-effective, and safe compared to alternative methods.
  • High technical success rates and low complication risks are characteristic of PRG.

Purpose of the Study:

  • To review indications for long-term enteral access.
  • To discuss various methods of enteral access, focusing on PRG.
  • To highlight the imaging features, clinical presentation, and management of PRG-related complications.

Main Methods:

  • Review of literature on PRG indications, techniques, and complications.
  • Analysis of imaging findings associated with gastrostomy placement.
  • Discussion of clinical presentations and management strategies for complications.

Main Results:

  • PRG demonstrates a high technical success rate with a low incidence of complications.
  • Most complications are minor and manageable conservatively.
  • Severe complications, though rare, necessitate early and accurate diagnosis for timely intervention.

Conclusions:

  • Radiologists play a key role in identifying and managing gastrostomy-related complications.
  • Familiarity with imaging features and clinical presentations is essential for effective patient care.
  • PRG remains a valuable and safe option for patients requiring long-term enteral nutrition.