Atrial Fibrillation Case Study

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(5) Atrial fibrillation
The rate of atrial fibrillation is 10-15% among patients who have AMIs. The presence of atrial fibrillation during an AMI is associated with an increased risk of mortality and stroke, particularly in patients who have anterior-wall MI (Ashok et al. 2011).
AF develops for many different reasons, including left ventricular dys-function with hemodynamic impairment (Kobayashi et al., 1992), atrial is-chemia or infarction (particularly in patients with early onset atrial fibrilla-tion in the course of acute myocardial infarction), right ventricular infarction (Rechavia et al., 1992), pericarditis, excessive release of catecholamines. Atrial fibrillation is usually abrupt in onset and can cause rapid hemody-namic instability through one of three mechanisms: loss of the atrial com-ponent of the cardiac output, increased ventricular response rate with de-creased diastolic filling time, or irregular ventricular filling (Cristal et al., 1976). …show more content…

The occurrence of atrial fibrillation is not related to the site of the my-ocardial infarct the relation of atrial fibrillation to outcome has been exten-sively investigated, and it is commonly considered a marker of poor prog-nosis (Liberthson et al.,

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