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2022年9月4日 · Learn how low potassium (hypokalemia) affects your body, what causes it, how to diagnose it, and how to treat it with WebMD's expert guide.
- Pathophysiology
- Function
- Prevention
- Epidemiology
- Signs and symptoms
- Prognosis
We see through the cornea, which is the clear outer lens or \"windshield\" of the eye. Normally, the cornea has a dome shape, like a ball. Sometimes, however, the structure of the cornea is just not strong enough to hold this round shape and the cornea bulges outward like a cone. This condition is called keratoconus. Keratoconus is caused by a decr...
Tiny fibers of protein in the eye called collagen help hold the cornea in place and keep it from bulging. When these fibers become weak, they cannot hold the shape and the cornea becomes progressively more cone shaped.
Keratoconus appears to run in families. If you have it and have children, its a good idea to have their eyes checked for it starting at age 10. The condition progresses more rapidly in people with certain medical problems, including certain allergic conditions. It could be related to chronic eye rubbing.
Keratoconus usually starts in the teenage years. It can, though, begin in childhood or in people up to about age 30. It's possible it can occur in people 40 and older, but that is less common.
The changes in the shape of the cornea can happen quickly or may occur over several years. The changes can result in blurred vision, glare and halos at night, and the streaking of lights.
The changes can stop at any time, or they can continue for decades. There is no way to predict how it will progress. In most people who have keratoconus, both eyes are eventually affected, although not always to the same extent. It usually develops in one eye first and then later in the other eye. With severe keratoconus, the stretched collagen fib...
2023年1月13日 · Hyperkalemia can happen if your kidneys don’t work properly and cannot remove potassium from your body or if you take certain medicines. Kidney disease is the most common cause of hyperkalemia ...
2023年1月13日 · These medications include: IV insulin and glucose. IV calcium. IV sodium bicarbonate. Inhaled albuterol. They start working in minutes by shifting potassium out of the blood and into cells. People ...
2024年2月25日 · This can lead to high blood pressure ( hypertension) and other issues. Potassium balances the effects of sodium and helps keep fluid levels within a certain range. Your body should maintain a ...
To prevent stomach upset, take each dose with a meal and a full glass of water (8 ounces/240 milliliters) unless your doctor directs you otherwise. Do not lie down for at least 10 minutes after ...
Find patient medical information for potassium chloride oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.
