Table 1 Framingham diagnostic criteria for congestive heart failure [19]

   Paroxysmal nocturnal dyspnea

   Neck vein distension

   Pulmonary rales

   Radiographic cardiomegaly (chest radiography)

   Acute pulmonary edema

   Third heart sound gallop

   Central venous pressure > 16 cm water

   Circulation time ≥ 25 seconds

   Hepatojugular reflux

   Weight loss ≥ 4.5 kg in 5 days in response to treatment with diuretics

   Paroxysmal nocturnal dyspnea

Minor criteria

   Bilateral ankle edema

   Nocturnal cough

   Dyspnea on ordinary exertion

   Hepatomegaly

   Pleural effusion

   Decrease in vital capacity by 33% of maximum

   Heart rate ≥ 120 beats per minute

   Bilateral ankle edema

   Nocturnal cough