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Related Concept Videos

Tension01:10

Tension

Tension is a force along the length of a medium, in particular, a force carried by a flexible medium, such as a rope or cable. The word "tension" comes from Latin, meaning "to stretch". Not coincidentally, the flexible cords that carry muscle forces to other parts of the body are called tendons. Any flexible connector, such as a string, rope, chain, wire, or cable, can exert pull only parallel to its length; so, a force carried by a flexible connector is a tension with a direction parallel to...
Tension01:10

Tension

Tension is a force along the length of a medium, in particular, a force carried by a flexible medium, such as a rope or cable. The word "tension" comes from Latin, meaning "to stretch". Not coincidentally, the flexible cords that carry muscle forces to other parts of the body are called tendons. Any flexible connector, such as a string, rope, chain, wire, or cable, can exert pull only parallel to its length; so, a force carried by a flexible connector is a tension with a direction parallel to...
Physical Assessment of the Respiratory Tract III: Percussion01:29

Physical Assessment of the Respiratory Tract III: Percussion

The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
Problem-Solving: Tuning of a Guitar String01:04

Problem-Solving: Tuning of a Guitar String

In the case of stringed instruments like the guitar, the elastic property that determines the speed of the sound produced is its linear mass density or the mass per unit length. This is simply called the linear density. If the string's linear density is constant along the string, then the linear density is simply the total mass divided by the total length.
The string's wave speed can be regulated by varying the linear density. Tension is the other property that determines the speed of...
Pressure Gauges01:20

Pressure Gauges

Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...
Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...

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Related Experiment Video

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In vitro Measurements of Tracheal Constriction Using Mice
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Published on: June 25, 2012

Trumpet tension.

Fleur O'Hare1, Angus W Turner, Jonathan G Crowston

  • 1Centre for Eye Research Australia, Glaucoma Clinical Research Unit, Level 7 Smorgon Wing, 32 Gisborne Street, East Melbourne, Victoria, 3002, Australia.

BMJ Case Reports
|June 21, 2011
PubMed
Summary
This summary is machine-generated.

Long-term trumpet playing can significantly increase intraocular pressure, potentially worsening glaucoma progression even with standard treatment. This highlights a crucial factor in managing eye pressure for musicians.

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Area of Science:

  • Ophthalmology
  • Cardiovascular Physiology
  • Instrumental Music Performance

Background:

  • Glaucoma is a progressive optic neuropathy often linked to elevated intraocular pressure (IOP).
  • Standard glaucoma management aims to maintain IOP within a target range.
  • Certain activities may transiently or chronically affect IOP, impacting disease control.

Purpose of the Study:

  • To investigate a potential link between prolonged musical instrument use and uncontrolled glaucoma.
  • To identify occupational or habitual factors influencing intraocular pressure in glaucoma patients.

Main Methods:

  • Case study of a 78-year-old male patient with progressive glaucoma.
  • Detailed patient history including long-term musical instrument practice.
  • Intraocular pressure measurements during and outside of playing the trumpet.

Main Results:

  • The patient reported playing the trumpet for 4 hours daily over 60 years.
  • Significant elevations in intraocular pressure were recorded specifically during trumpet playing.
  • This activity was identified as a contributing factor to the patient's progressive glaucoma.

Conclusions:

  • Prolonged, daily trumpet playing can induce significant increases in intraocular pressure.
  • This habit may be an underrecognized cause of progressive glaucoma despite apparent IOP control.
  • Ophthalmologists should consider musical instrument habits when assessing glaucoma patients with suboptimal IOP control.