How can I know if the patient has pre-existing atrial fibrillation? #1514
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laithomari
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MIMIC-IV
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You could look at the approach we took here, which specifically looks at new-onset atrial fibrillation in MIMIC: https://www.sciencedirect.com/science/article/pii/S0883944121002525 AF before ICU admission was defined as:
There is now a code for chronic atrial fibrillation (ICD-10 I48.2). It would make sense to use that as well (our study pre-dated the use of ICD-10 in MIMIC). |
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Hello. I am trying to study the incidence of atrial fibrillation in critical care setting. My question is how can I know if the patient already had atrial fibrillation before admission to the hospital? I tried checking the diagnosis_icd table, however, in ICD-9 codes there are no specific code for chronic atrial fibrillation. Another but related question would be is that how can I identify new-onset atrial fibrillation? Thanks
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