Anticoagulant therapy is commonly used in patients at risk for, or kno
wn to have, thromboembolic disease. Although complications of therapy
are uncommon in most patients, in others it may result in complication
s with substantial morbidity and occasionally may be Life threatening,
This essay reviews the role of anticoagulant therapy and defines the
potential complications that may occur in the chest, abdomen, musculos
keletal system, and CNS, Specific pitfalls in diagnosis as well as com
plications of the bleeding process are discussed and illustrated, The
role of CT scanning in the diagnosis and triage of these patients is c
learly defined through select cases and clinical dilemmas.