Cardiology

Medics suggest modifications to coronary artery stenting

Bifurcation lesions are a challenge, even for an experienced cardiac surgeon. Currently, there are two surgical techniques for dealing with them, but no medical consensus on which one applies to which case. Russian scientists ...

Health

These annual checkups help seniors not only survive but thrive

Bea Lipsky shuffled into her wellness coach's office one morning this fall and parked her walker by the wall. Lipsky, 89, had had a trying year, enduring a hernia operation and two emergency room visits for heart problems. ...

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Balloon

A balloon is an inflatable flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from materials such as rubber, latex, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders, such as the pig bladder. Some balloons are used for decorative purposes, while others are used for practical purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and low cost, have led to a wide range of applications. The inventor of the rubber balloon, (the most common balloon) was Michael Faraday in 1824, via experiments with various gases.

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