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What is the purpose of an aldosterone assay?
Aldosterone measurement is useful in detecting a condition called aldosteronism, which is caused by excess secretion of the hormone from the adrenal glands. There are two types of aldosteronism: primary and secondary.
How is an aldosterone assay done?
Aldosterone testing can be performed on a blood sample or on a 24-hour urine specimen. Several factors, including diet, posture (upright or lying down), and time of day that the sample is obtained can cause aldosterone levels to fluctuate.
How should patients be prepared for an aldosterone assay?
Since posture and body position affect aldosterone, hospitalized patients should remain in an upright position (at least sitting) for two hours before blood is drawn. Occasionally blood will be drawn again before the patient.
What is the purpose of an assay?
Aldosterone measurement is useful in detecting a condition called aldosteronism, which is caused by excess secretion of the hormone from the adrenal glands. There are two types of aldosteronism: primary and secondary.
What characteristics does an abnormal fetal hemoglobin test have?
Greater than 2% of total hemoglobin is abnormal.
True or false does a thyroid-stimulating hormone assay measure circulating blood levels of thyroid-stimulating hormone that can indicate abnormal parathyroid activity?
TRUE
What risks exist for the patient in undergoing an aldosterone assay?
Risks for this test are minimal, but may include slight bleeding from the blood-drawing site, fainting or feeling lightheaded after venipuncture, or hematoma (blood accumulating under the puncture site).
What characteristics does an abnormal external sphincter electromyography have?
A diseased external sphincter muscle will produce an abnormal pattern of electrical activity.
What is the roleof aldosterone?
Aldosterone will cause Na+ to be absorbed from a filtrate
What is the role of aldosterone?
Aldosterone promotes water retention and reduces urine volume
What is a T4 assay used for?
A T4 assay is used to measure the level of the hormone thyroxine (T4) in the blood, which helps to assess thyroid function. Abnormal T4 levels can indicate conditions such as hypothyroidism or hyperthyroidism.
What characteristics does an abnormal laryngoscopy have?
An abnormal finding, such as a tumor or an object lodged in the tissue, would either be removed or described for further medical attention.
