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Related Concept Videos

States of Water01:23

States of Water

Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
Disorder of Water Balance01:29

Disorder of Water Balance

Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dimensional Analysis03:40

Dimensional Analysis

Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
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Buoyancy01:12

Buoyancy

When an object is placed in a fluid, it either floats or sinks. All objects in a fluid experience a buoyant force. For example, a metal ball sinks, while a rubber ball floats. Similarly, a submarine can sink and float by adjusting its buoyancy.  The concept of buoyancy raises several interesting questions. For instance, where does this buoyant force come from? How much buoyant force is required to make an object sink or float? Do objects that sink get any support at all from the fluid? 
To get...
Tonicity in Animals00:59

Tonicity in Animals

The tonicity of a solution determines if a cell gains or loses water in that solution. The tonicity depends on the permeability of the cell membrane for different solutes and the concentration of nonpenetrating solutes in the solution within and outside of the cell. If a semipermeable membrane hinders the passage of some solutes but allows water to follow its concentration gradient, water moves from the side with low osmolarity (i.e., less solute) to the side with higher osmolarity (i.e.,...
Buoyancy and Stability for Submerged and Floating Bodies01:11

Buoyancy and Stability for Submerged and Floating Bodies

In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...

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Ferric Chloride-induced Canine Carotid Artery Thrombosis: A Large Animal Model of Vascular Injury
08:39

Ferric Chloride-induced Canine Carotid Artery Thrombosis: A Large Animal Model of Vascular Injury

Published on: September 7, 2018

Canine drowning.

Carrie E Goldkamp1, Michael Schaer

  • 1University of Florida, USA.

Compendium (Yardley, PA)
|August 12, 2008
PubMed
Summary
This summary is machine-generated.

Drowning is a serious medical emergency. Prompt resuscitation and oxygen therapy are crucial for survival, with outcomes depending on factors like water type and volume aspirated.

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Area of Science:

  • Emergency Medicine
  • Physiology
  • Toxicology

Background:

  • Drowning is a leading cause of accidental death.
  • Physiologic responses to water aspiration vary based on water salinity and volume.
  • Ice-water submersion may offer initial protective effects.

Purpose of the Study:

  • To outline the critical management steps for drowning victims.
  • To discuss the physiological impact of fresh versus saltwater aspiration.
  • To highlight factors influencing prognosis after submersion injuries.

Main Methods:

  • Review of physiological responses to drowning.
  • Emphasis on immediate on-scene resuscitation techniques.
  • Discussion of advanced respiratory support strategies.

Main Results:

  • Aspiration of fresh or saltwater elicits different physiological responses.
  • Volume of aspirated fluid significantly impacts outcomes.
  • Oxygen therapy and positive airway pressure are key interventions.

Conclusions:

  • Early resuscitation and oxygenation are vital in drowning management.
  • Understanding the physiology of submersion improves patient care.
  • Prognosis is variable and depends on multiple factors.