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Factitious and artifactual hypoglycemia.

D L Horwitz¹

¹University of Illinois, Chicago.

Endocrinology and Metabolism Clinics of North America

|March 1, 1989

Summary

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Artifactual hypoglycemia stems from sample errors, while factitious hypoglycemia involves patient deception. Diagnosing factitious hypoglycemia requires identifying high insulin and low C-peptide levels during hypoglycemic events.

Area of Science:

Clinical Biochemistry
Endocrinology
Diagnostic Medicine

Background:

Hypoglycemia can be artifactual, caused by sample collection issues or interfering substances.
Factitious hypoglycemia is intentionally induced by patients, posing diagnostic challenges.

Purpose of the Study:

To differentiate between artifactual and factitious hypoglycemia.
To outline diagnostic strategies for factitious hypoglycemia.

Main Methods:

Review of causes and diagnostic markers for artifactual and factitious hypoglycemia.
Emphasis on biochemical markers for diagnosing factitious hypoglycemia.

Main Results:

Artifactual hypoglycemia is detectable through proper sample handling and substance screening.

Related Experiment Videos

Factitious hypoglycemia is commonly caused by self-administered insulin, indicated by elevated insulin and suppressed C-peptide levels.

Misuse of glucose monitoring strips can also mimic hypoglycemia.

Conclusions:

Distinguishing artifactual from factitious hypoglycemia is crucial for accurate diagnosis and management.
Biochemical evaluation, particularly insulin and C-peptide levels, is key to identifying surreptitious insulin use.
Awareness of patient-induced hypoglycemia is essential in clinical practice.