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Sinus node dysfunction due to psychotropic agents' combination
Published online by Cambridge University Press: 24 June 2014
Extract
Background: Although sinus node dysfunction is primarily related to degenerative fibrosis of nodal tissue in the elderly, it may occur at any age secondary to other cardiac abnormalities or extrinsic causes. Pharmacologic agents including psychotropic drug therapy may also play a role.
Method: We present the case of a 53-year-old woman with bipolar affective disorder in whom antipsychotic agents were suspected of inducing sinus node dysfunction.
Result: The combination of psychotropic agents including lithium, quetiapine and carbamazepine (first occasion) or escitalopram (second occasion) has been implicated as a cause for sinus node dysfunction.
Conclusion: Patients with severe mental illness usually require long-term psychotropic drug therapy, often in combination. This may enhance efficacy but also involves an increased risk of adverse effects including cardiotoxicity.
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- Copyright © Cambridge University Press 2012
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