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2. Heart failure with reduced ejection fraction - Wikipedia

   en.wikipedia.org/wiki/Heart_failure_with_reduced...

   This is defined as a left ventricular ejection fraction (LVEF) of 40% or less. About half of heart failure patients have a reduced ejection fraction. [2] Other types of heart failure are heart failure with mildly reduced ejection fraction (LVEF between 40% and 50%) and heart failure with preserved ejection fraction (LVEF 50% or higher). [1] [3]

3. Heart failure - Wikipedia

   en.wikipedia.org/wiki/Heart_failure

   Heart failure with mildly reduced ejection fraction (HFmrEF), previously called "heart failure with mid-range ejection fraction", [63] is defined by an ejection fraction of 41–49%. [ 63 ] Heart failure with preserved ejection fraction (HFpEF): Synonyms no longer recommended include "diastolic heart failure" and "heart failure with normal ...

4. Ejection fraction - Wikipedia

   en.wikipedia.org/wiki/Ejection_fraction

   A heart which cannot pump sufficient blood to meet the body's requirements (i.e., heart failure) will often, but not invariably, have a reduced ventricular ejection fraction. [6] In heart failure, the difference between heart failure with a reduced ejection fraction, and heart failure with a preserved ejection fraction, is significant, because ...

5. Pressure–volume loop analysis in cardiology - Wikipedia

   en.wikipedia.org/wiki/Pressure–volume_loop...

   Myocardial infarction or cardiomyopathy causes damage to the myocardium, which impairs the heart's ability to eject blood and, therefore, reduces ejection fraction. This reduction in the ejection fraction can manifest itself as heart failure. Low EF usually indicates systolic dysfunction, and severe heart failure can result in EF lower than 0.2 ...

6. Management of heart failure - Wikipedia

   en.wikipedia.org/wiki/Management_of_heart_failure

   Sleep apnea is an under-recognized risk factor for heart failure. Uncontrolled sleep apnea may increase the risk of heart failure by up to 140%. [4] Weight reduction – through physical activity and dietary modification, as obesity is a risk factor for heart failure and left ventricular hypertrophy. Effective weight management has been shown ...

7. Acute decompensated heart failure - Wikipedia

   en.wikipedia.org/wiki/Acute_decompensated_heart...

   Acute decompensated heart failure (ADHF) is a sudden worsening of the signs and symptoms of heart failure, which typically includes difficulty breathing , leg or feet swelling, and fatigue. [1] ADHF is a common and potentially serious cause of acute respiratory distress. The condition is caused by severe congestion of multiple organs by fluid ...