Physician-led cardioversion of atrial arrhythmias using intravenous sedation is effective and well tolerated. Sedation with diazepam was associated with fewer minor adverse events and a quicker recovery time than midazolam.

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The efficacy of first and subsequent DCCV procedures is similar, achieving a similar proportion of SR maintenance at 1 year. However, the benefits of AAD therapy are the greatest following first time procedures. Concomitant AAD therapy should be considered for all first time procedures for persistent AF.

SUMMARYTwo methods for the measurement of plasma creatine kinase MB (CK-MB) activity were compared for analytical performance, cost, practicality, and diagnostic correlation with clinical and electrocardiographic findings in patients admitted to the coronary care unit of a district general hospital. The methods were column chromatography and immunoinhibition. Both methods were found acceptable, and the method to be adopted would depend on the staff arrangements and resources available in the laboratory.

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