HSA

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albumin

 [al-bu´min]
1. any protein that is soluble in water and moderately concentrated salt solutions and is coagulable by heat.
2. serum albumin; the most abundant plasma protein, formed principally in the liver and constituting up to two thirds of the 6 to 8 per cent protein concentration in the plasma. (See accompanying table.) Albumin is responsible for much of the colloidal osmotic pressure of the blood, and thus is a very important factor in regulating the exchange of water between the plasma and the interstitial compartment (space between the cells). Because of hydrostatic pressure, water is forced through the walls of the capillaries into the tissue spaces. This flow of water continues until the osmotic pull of protein (albumin) molecules causes it to stop. A drop in the amount of albumin in the plasma leads to an increase in the flow of water from the capillaries into the interstitial compartment. This results in an increase in tissue fluid which, if severe, becomes apparent as edema. Albumin serves also as a transport protein carrying large organic anions, such as fatty acids, bilirubin, and many drugs, and also hormones, such as cortisol and thyroxine, when their specific binding globulins are saturated.

The presence of albumin in the urine (albuminuria) indicates malfunction of the kidney, and may accompany kidney disease or heart failure. A person with severe renal disease may lose as much as 20 to 30 g of plasma proteins in the urine in one day.

A decrease in the serum albumin level may occur with severe disease of the kidney. Other conditions such as liver disease, malnutrition, and extensive burns may result in serious decrease of plasma proteins.
albumin-globulin ratio the ratio of albumin to globulin in blood serum, plasma, or urine.
albumin human a preparation of human serum albumin, used as an artificial plasma extender and to increase bilirubin binding in hyperbilirubinemia.
iodinated I 125 albumin a radiopharmaceutical used in blood and plasma volume, circulation time, and cardiac output determinations, consisting of albumin human labeled with iodine-125.
iodinated I 131 albumin a radiopharmaceutical used in blood pool imaging and plasma volume determinations, consisting of albumin human labeled with iodine-131.
normal human serum albumin albumin human.
serum albumin albumin of the blood.

HSA

abbreviation for health systems agency.
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References in periodicals archive ?
We look at the health savings account as a source for that, but it's really more of a benefit factor for members or new SEG groups, or those who may not be happy with who they are currently using.
Likewise, contributions to a Health Savings Account may be paid by employees and/or employers.
Despite a modest beginning since being introduced three years ago, the number of health savings accounts is expected to increase more than fifteenfold between 2005 and 2008, according to Forrester Research Inc.
The overall message is that employers are very excited about the opportunities provided by health savings accounts," says Susan Relland, legal counsel on health policy for the American Benefits Council.
Introduced last November as part of the Medicare reform legislation, health savings accounts "seem poised to take root quickly.
com doesn't think that should stop consumers researching health savings accounts and individual medical insurance from having a bit of fun while learning about their options.
Another reason HSA insurance plans are growing is because of the government allowing Americans to transfer monies in Individual Retirement Accounts (IRA) to a qualified health savings account (HSA).
Careful planning will help employers ensure that both their qualified retirement plan and health savings account are successful.
He hadn't had his health savings account long enough to build up any kind of reserve, and as a result, expects to spend $4,000 to $6,000 out of pocket for the surgery.
1, 2005, that will allow firms to adopt a health savings account.

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