Low blood sodium in older adults: A concern? - Mayo Clinic
2023年5月16日 · Low blood sodium, known as hyponatremia, occurs when you have an irregularly low amount of sodium in your blood or when you have too much water in your blood. Low blood sodium is common in older adults, especially those who are hospitalized or have long-term health problems such as heart disease, kidney disease or cancer, among others.
Hyponatremia - Symptoms and causes - Mayo Clinic
2022年5月17日 · Sodium plays a key role in your body. It helps maintain normal blood pressure, supports the work of your nerves and muscles, and regulates your body's fluid balance. A normal blood sodium level is between 135 and 145 milliequivalents per liter (mEq/L). Hyponatremia occurs when the sodium in your blood falls below 135 mEq/L.
Hyponatremia - Diagnosis and treatment - Mayo Clinic
2022年5月17日 · Your doctor may recommend IV sodium solution to slowly raise the sodium levels in your blood. This requires a stay in the hospital for frequent monitoring of sodium levels as too rapid of a correction is dangerous. Medications. You may take medications to manage the signs and symptoms of hyponatremia, such as headaches, nausea and seizures.
Complete blood count (CBC) - Mayo Clinic
2023年1月14日 · A complete blood count (CBC) is a blood test. It's used to look at overall health and find a wide range of conditions, including anemia, infection and leukemia. A complete blood count test measures the following: Red blood cells, which carry oxygen; White blood cells, which fight infection; Hemoglobin, the oxygen-carrying protein in red blood cells
Blood urea nitrogen (BUN) test - Mayo Clinic
2023年8月5日 · A common blood test, the blood urea nitrogen (BUN) test reveals important information about how well your kidneys are working. A BUN test measures the amount of urea nitrogen that's in your blood. Here's how your body typically forms and gets rid of urea nitrogen:
Blood pressure test - Mayo Clinic
2024年7月3日 · People age 18 to 39 with optimal blood pressure and no heart disease risk factors should have a blood pressure test at least once every 2 to 5 years. People age 40 and older — or younger with an increased risk of high blood pressure — should have a blood pressure test every year. Risk factors for high blood pressure include obesity and ...
Addison's disease - Diagnosis and treatment - Mayo Clinic
2024年2月3日 · Blood test. This test can measure blood levels of sodium, potassium, cortisol and adrenocorticotropic hormone (ACTH). A blood test also can measure antibodies related to autoimmune Addison's disease. ACTH stimulation test. ACTH tells the adrenal glands to make cortisol. This test measures the level of cortisol in the blood before and after a ...
High potassium (hyperkalemia) In-depth - Mayo Clinic
Potassium is a chemical that nerve and muscle cells need to work. This includes the nerve and muscle cells of the heart. The kidneys help control the amount of potassium in the blood. A healthy blood potassium level is 3.6 to 5.2 millimoles per liter (mmol/L). Having a blood potassium level higher than 6.0 mmol/L can be a danger.
Dehydration - Diagnosis & treatment - Mayo Clinic
2021年10月14日 · Blood tests. Blood samples may be used to check for a number of factors, such as the levels of your electrolytes — especially sodium and potassium — and how well your kidneys are working. Urinalysis. Tests done on your urine can help show whether you're dehydrated and to what degree. They also can check for signs of a bladder infection.
Low potassium (hypokalemia) Causes - Mayo Clinic
2022年6月23日 · Low potassium (hypokalemia) has many causes. The most common cause is excessive potassium loss in urine due to prescription medications that increase urination. Also known as water pills or diuretics, these types of medications are often prescribed for people who have high blood pressure or heart disease.