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Unusual Causes of Stroke - Hypercoagulable States and their work-up

Unusual Causes of Stroke - Hypercoagulable States and their work-up

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Antiphospholipid Antibody<br />

Syndrome<br />

Clinical<br />

• One or more episodes <strong>of</strong><br />

confirmed thrombosis<br />

– Arteries<br />

– Veins<br />

– Small vessels<br />

• Pregnancy morbidity <strong>and</strong><br />

ffetal ll loss<br />

Immunological<br />

• Serum anticardiolipin<br />

antibody <strong>of</strong> high titer<br />

– IgG or IgM isotype in blood<br />

– On 2 or more occasions, occasions at<br />

least 6 weeks apart<br />

• Prolonged<br />

antiphospholipid-<br />

ti h h li id<br />

dependent coagulation<br />

– L<strong>up</strong>us anticoagulant

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