Everyone Healthy Library
Condition / disease reference page from the Everyone Healthy database.
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Connected health information
Condition overview
Each sign/symptom opens its own page and links back to related conditions.
No linked drugs are listed yet.
Grouped by treatment type. These are educational database links, not personal treatment recommendations. Evidence labels are shown only where stored in the EH database.
No linked treatment or supportive options are listed yet.
These are pulled from both EH diagnostic-test link tables, including the older large test-link table.
This visual map shows biological markers/agents reported as increased or decreased with this condition. These are educational relationships only; test results must be interpreted by a qualified clinician because ranges vary by lab, method, age, sex and clinical context.
Introduction / full article
Antithrombin III (abbreviated to AT III, or simply AT) is a small protein molecule which contributes towards regulating the coagulation of the blood. A deficiency of AT III causes the blood to clot incessantly (thrombophilia) within the blood vessels.
The condition can be either acquired or inherited. Acquired AT III deficiency is usually caused by an underlying illness, or a significant disruption to the body, often in the form of major surgery. Conversely, inherited AT III is attributed to a rare genetic disorder, with an incidence rate estimated at approximately 1:5000.
Since excessively clotting of the blood can cause myriad problems throughout the entire body, patients are usually treated with anticoagulants, or in some cases, a solution containing concentrated AT III.
