1. Heart Failure is a complex clinical syndrome that results in the: Answer inability of the heart to provide sufficient blood to meet the oxygen needs of tissues and organs 2. Key manifestations of HF: Answer A defect in either ventricular filling (diastolic dysfunction) Ventricular ejection (systolic dysfunction) 3. The most common form of HF is: Answer left sided HF 4. Left sided HF results either from: Answer 1: inability of the left ventricle to emptyadequately during systole or (2): fill adequately during diastole 5. Left sided heart failure blood backs up into the: Answer left atrium and pulmonaryveins increased pulmonary pressure causes fluid leakage ->pulmonary congestion andedema 6. HFrEF means: Answer HF with reduced EF it is the inability to pump blood forward 7. HFrEF caused by: