Tag

Ablation

All articles tagged with #ablation

space17 days ago•73 min saved

Atmosphere-specific heat shield behavior revealed for Venus and Titan entries

UIUC researchers using a Plasmatron X wind tunnel found that heat-shield ablation depends on atmospheric composition: in oxygen-rich environments ablation erodes the surface steadily, but when oxygen is absent the process becomes unsteady with intermittent, sometimes violent particle bursts. This “breathing” behavior affects shield performance and has implications for future missions like Dragonfly to Titan, whose nitrogen–methane atmosphere differs from Earth’s.

via Space|

#ablation #atmosphere #heat-shield

health2 years ago•2 min saved

"Rare Condition: Cold Water Triggers Bodybuilder's Heart Failure"

A Texas bodybuilder has been hospitalized over 20 times due to a rare heart condition triggered by drinking cold water, which was later diagnosed as a genetic aberration causing atrial fibrillation. The condition, exacerbated by high-intensity activities like weightlifting, led to fainting spells and palpitations. After an ablation procedure to cauterize the connection between the vagus nerve and the heart, the bodybuilder has made a full recovery and no longer experiences adverse reactions to water.

via Yahoo Life|

#ablation #bodybuilder #cold-water

health2 years ago•3 min saved

"Rare Condition: Bodybuilder's Heart Failure Linked to Cold Water Consumption"

A Texas bodybuilder has been hospitalized over 20 times due to a rare heart condition triggered by drinking cold water, which was later discovered to be caused by a genetic aberration leading to atrial fibrillation. The condition, exacerbated by high-intensity activities like weightlifting, caused him to faint. After genetic tests and an ablation procedure, he has made a full recovery and no longer experiences fainting spells when drinking water.

via New York Post |

#ablation #bodybuilder #cold-water

health2 years ago•3 min saved

"Viagra and Heart Disease: A Dangerous Combination for Men?"

Men with heart disease should consult their cardiologists before taking Viagra, as the medication can affect arteries and blood pressure. A change in libido after prostate surgery is common, and while Viagra may help with erectile dysfunction, it does not directly treat low libido. Atrial fibrillation (AFib) can cause symptoms like dizziness and fatigue, and treatment is necessary to reduce the risk of stroke and manage symptoms. Ablation, a newer treatment for AFib, has a success rate of 75% to 90% and has been shown to reduce anxiety and depression better than medication. Regular exercise can also help reduce health risks in people with chronic AFib.

via OregonLive|

#ablation #atrial-fibrillation #erectile-dysfunction

science-and-astronomy3 years ago•5 min saved

"Black Widow Pulsar Sheds Light on Evolution Mysteries"

Astronomers have identified a new kind of pulsar that consumes an orbiting companion, filling in a missing link about how some of the strangest systems in the universe evolve. While astronomers have identified dozens of these "spider" systems, they have had difficulty explaining how the systems came to be. Now, a team of astronomers has proposed a solution by finding two systems that they believe provide an evolutionary link between normal binary systems and more evolved "spider" systems.

via Space.com|

#ablation #binary-system #black-widow