[Prognostic Value of Hyperuricemia in Patients With Atrial Fibrillation and Heart Failure With Preserved Ejection Fraction].

Patients with permanent atrial fibrillation in comparison with cardiovascular patients without arrhythmia were found to have higher level of serum uric acid irrespectively of background of arterial hypertension and/or ischemic heart disease. Serum uric acid was shown to be an independent predictor of chronic heart failure exacerbation in atrial fibrillation patients.

[Problems in the diagnosis and clinical assessment of atrial dissociation (a report on 2 cases and review of the literature)]. / Voprosy diagnostiki i klinicheskoi otsenki predserdnoi dissotsiatsii (soobshchenie o dvukh sluchaiakh nabliudeniia i obzor literatury).

At registration of ECG esophageal leads in two patients with ischemic heart disease an extra atrial rhythm was recorded missed by standard ECG. Similar cases from the literature are considered.