Cardiac failure Cardiac output Blood supply Venous pressure Renal blood flow Renin- angiotensionⅡ Venous hyperemia Aldosterone Pulmonary circulation: Systemic circulation cough, emptysis Sodium and water perella retention dyspnea Jugular vein dIsTension dema Changes of hemodynamics in CHFCardiac failure Cardiac output Venous pressure Venous hyperemia Pulmonary circulation: cough, emptysis, dyspnea Systemic circulation hyperemia : jugular vein distension, edema Blood supply Renal blood flow Renin - angiotension Ⅱ Aldosterone Sodium and water retention Changes of hemodynamics in CHF