Aldosterone

The aldosterone test is a vital diagnostic procedure used to measure aldosterone levels, a hormone produced by the adrenal glands, in blood or urine. This hormone is crucial for regulating sodium and potassium levels, blood volume, and blood pressure. The test primarily aims to determine if the adrenal glands are producing appropriate aldosterone levels, aiding in diagnosing conditions like primary aldosteronism (Conn’s syndrome), characterized by high blood pressure and low potassium. The test can be conducted via a blood sample or a 24-hour urine collection. Factors such as sodium intake, posture, stress, medications, and exercise can influence test results. Normal aldosterone levels vary based on these factors, and abnormal results may indicate conditions like hyperaldosteronism or hypoaldosteronism. Healthcare providers interpret results considering the patient's symptoms and may order additional tests if necessary. The procedure carries minimal risks, including slight bruising or infection at the puncture site.

Price of test:£115

The lowest price from the last 30 days: £115

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The aldosterone test is essential for assessing adrenal gland function and diagnosing conditions like primary aldosteronism. It measures aldosterone levels in blood or urine, crucial for regulating sodium, potassium, and blood pressure. Key points include:

- Purpose: Diagnose causes of aldosterone imbalance.
- Methods: Blood sample or 24-hour urine collection.
- Influencing Factors: Sodium intake, posture, stress, medications, diet, exercise.
- Results Interpretation: Considers clinical symptoms and aldosterone: renin ratio.
- Clinical Uses: High blood pressure, electrolyte imbalance, adrenal disorders.
- Additional Tests: Plasma renin, ACTH stimulation, CT scan.

Understanding these elements aids in accurate diagnosis and management.

Who Should Get Tested

The aldosterone test is essential for diagnosing conditions related to aldosterone imbalance. It evaluates adrenal gland function by measuring aldosterone levels in blood or urine. This hormone regulates sodium and potassium balance, blood volume, and pressure. Key reasons for testing include:

- High Blood Pressure: Especially if uncontrolled or in young patients.
- Electrolyte Imbalance: Low potassium or high sodium levels.
- Adrenal Disorders: Diagnosing conditions like Addison’s disease.
- Kidney and Heart Conditions: Evaluating related diseases.

Factors affecting results include sodium intake, posture, stress, medications, and exercise.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results for the aldosterone test is crucial for diagnosing and managing conditions related to electrolyte balance and blood pressure. This test evaluates aldosterone levels in blood or urine, helping identify issues like primary aldosteronism. Key factors influencing results include:

- Sodium Intake: Affects aldosterone levels.
- Posture: Levels vary with body position.
- Stress and Exercise: Can temporarily increase levels.
- Medications: Some drugs impact results.

Interpreting results involves considering symptoms and may require additional tests for accurate diagnosis. Understanding these elements aids in effective patient care.

Price of test:£115

The lowest price from the last 30 days: £115

AI-Powered Insights and Expert Validation

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