Table 2

 Physiological parameters, clinical symptoms, signs and laboratory blood tests in patients with dyspnoea in the emergency department

Non-HF(n = 41)Acute HF(n = 51)p Value
HF, heart failure; CK-MB, creatinine kinase-MB form.
Physiological parameters
    Heart rate (beat/min)91.6 (22.2)88.5 (20.3)0.19
    Respiratory rate (per min)18.9 (3.9)19.6 (5.1)0.472
    Systolic blood pressure (mm Hg)128.1 (34.2)135.9 (26.6)0.409
    Diastolic blood pressure (mm Hg)69.0 (20.9)73.3 (15.1)0.248
    Peripheral oxygen saturation %93.9 (15.7)96.8 (3.3)0.475
Symptoms and signs
    Rales in auscultation14 (34.1%)22 (43.1%)0.38
    Leg oedema10 (24.4%)9 (17.6%)0.427
    Jugular vein engorgement3 (7.3%)9 (17.6%)0.144
    Episodes of chest pain7 (17.1%)7 (13.7%)0.657
Laboratory tests
    Blood urea nitrogen (mg/dl)28.8 (22.1)46.6 (30.2)0.002
    Serum creatinine (mg/dl)1.6 (1.7)3.3 (5.8)0.076
    Creatinine kinase (U/l)199.8 (412.2)308.8 (732)0.429
    CK-MB (U/l)18.4 (27.0)24.2 (35.6)0.422
    Troponin I (ng/ml)0.73 (3.2)0.26 (0.8)0.336
Chest x ray
    Cardiomegaly21 (51.2%)39 (76.5%)0.011
    Pulmonary oedema6 (14.6%)26 (50.9%)<0.001