Adrenocorticotropic Hormone, plasma (ACTH)

Product Description

Price: 20 د.ا

The Adrenocorticotropic Hormone (ACTH) plasma test measures the level of ACTH in the blood. ACTH is a hormone produced by the pituitary gland that stimulates the adrenal glands to release cortisol, a crucial hormone for stress response, metabolism, and immune function.

 

Normal Ranges

Females and Males:

– Morning: 10-60 pg/mL (2.2-13.3 pmol/L)

– Evening: <20 pg/mL (<4.4 pmol/L)

Children:

– Similar ranges as adults, but may vary slightly based on age and laboratory standards.

Function in the Body

ACTH plays a critical role in regulating the stress response by stimulating the adrenal glands to produce cortisol. Cortisol helps control blood sugar levels, regulate metabolism, reduce inflammation, and assist with memory formulation. It also has a role in controlling salt and water balance, which affects blood pressure.

Symptoms of Deficiency

Deficiency in ACTH can lead to a condition known as secondary adrenal insufficiency, characterized by:

– Fatigue

– Muscle weakness

– Weight loss

– Low blood pressure

– Hypoglycemia (low blood sugar)

– Depression

– Nausea and vomiting

 

Symptoms of Overdose

Excessive ACTH, often due to pituitary adenomas or ectopic ACTH production (e.g., from small cell lung cancer), can lead to Cushing’s syndrome, characterized by:

– Weight gain, particularly around the abdomen and face

– Purple stretch marks on the skin

– High blood pressure

– Osteoporosis

– Muscle weakness

– Mood swings, including anxiety and depression

– High blood sugar (hyperglycemia)

 

Diagnosis

The ACTH plasma test is conducted by drawing blood, usually in the morning when ACTH levels are highest. This test is often paired with cortisol measurements to assess adrenal gland function. An ACTH stimulation test may also be performed to evaluate how the adrenal glands respond to synthetic ACTH. Imaging studies like MRI or CT scans may be used to detect tumors affecting ACTH production.

 

More Information

ACTH levels can be influenced by various factors, including stress, infection, surgery, and chronic diseases. Certain medications, such as glucocorticoids, can also affect ACTH levels. Therefore, it is essential to consider these factors when interpreting test results.

 

Frequently Asked Questions

Q: What does an elevated ACTH level indicate?

A: Elevated ACTH levels can indicate conditions like Cushing’s disease, Addison’s disease, or ectopic ACTH syndrome

Q: How should I prepare for an ACTH plasma test?

A: Preparation may vary, but typically, you should fast for 8-12 hours before the test and avoid strenuous exercise or stress. Your doctor will provide specific instructions.

Q: Can lifestyle changes affect ACTH levels

A: Yes, stress management, regular sleep patterns, and avoiding substances that impact cortisol (like caffeine and alcohol) can help regulate ACTH levels.

Q: How long does it take to get ACTH test results?

A: Results typically take a few days, but this can vary depending on the laboratory.

Q: What treatment options are available for abnormal ACTH levels?

A: Treatment depends on the underlying cause. Options may include medication, radiation therapy, or surgery to remove tumors. Hormone replacement therapy may be necessary in cases of adrenal insufficiency.

 

Understanding ACTH and its role in the body is crucial for diagnosing and managing conditions related to adrenal and pituitary gland function. Regular monitoring and appropriate medical intervention can help maintain hormonal balance and overall health.

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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