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A 41-year-old female asked:

Lightheaded, fatigue, low blood pressures, salt cravings. on very high salt and florinef. normal am cortisol. doctor ordered acth stim test. what is that checking and will it likely be normal since am cortisol was normal?

1 doctor answer • 1 doctor weighed in
Dr. Elden Rand
Dr. Elden Randanswered
Cardiology 23 years experience
ACTH Stim Test: ACTH stim test is used to see if one's adrenal glands respond properly to stimulation. Think of AM cortisol as a snapshot; it does not tell if your adrenal glands respond. The test: draw blood cortisol, then give synthetic ACTH. Then after 30min and 60 min (usually), blood cortisol is then drawn. The cortisol level in the blood should rise significantly. If not, adrenal function is impaired.
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Last updated Nov 17, 2020

Found in:

Blood›Dizziness›Addison's disease

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