Angiotensin-converting enzyme (ACE) inhibitors help relax blood vessels. ACE inhibitors prevent an enzyme in your body from producing angiotensin II, a substance in your body that narrows your blood vessels and releases hormones that can raise your blood pressure.
To help diagnose and monitor sarcoidosis; to help differentiate this systemic condition from other disorders causing similar symptoms
In most cases, the reference range is 8 to 53 microliters for adults.
