| Variable |  No. (%) / Mean (SD)/ Median (range)
 | 
      
        | Age≥ 65 years | 36 (67.9) | 
      
        | Women | 23 (43.4) | 
      
        | Comorbidity and risk factors  Arterial hypertension
 Diabetes mellitus
 History of peripheral vessel diseases
 COPD
 |   44 (83.0)11 (20.8)
 5 (9.4)
 9 (17.0)
 | 
      
        | Ischaemic etiology Myocardial infarction
 | 24 (45.3)21 (39.6)
 | 
      
        | Clinical signs Chronic AF
 SBP (mmHg)
 DBP (mmHg)
 Pulmonary congestion
 Peripheral edema
 NYHA Functional class
 II
 III/IV
 |   26 (49.1)130 (110-180)
 80 (50-100)
 34 (64.2)
 28 (52.8)
 18 (34.0)20 (37.7)/15    (28.3)
 | 
      
        | Instrumental dataRadiographic data for    pulmonary congestion
 Echocardiography
 LVEDV (ml)
 LVESV (ml)
 LVEF <40%
 PPmax (mmHg)
 |   30 (56.6) 137 (58-456)88 (36-311)
 24 (45.3)
 49 (30-90)
 | 
      
        | Therapy at admission АСЕ/АRB
 β-blockers
 Acetysal
 Statins
 |   29 (54.7)37 (69.8)
 14 (26.4)
 15 (28.3)
 |