What defines heart failure?
Heart failure occurs when the heart cannot pump or fill well enough to meet the body’s needs.
Study 1 Left- and Right-Sided Heart Failure with 12 free online flashcards. Review key terms, definitions, and concepts with this interactive flashcard deck.
What defines heart failure?
Heart failure occurs when the heart cannot pump or fill well enough to meet the body’s needs.
What fails in left-sided heart failure?
The left ventricle cannot pump blood effectively to the body or fill adequately between beats.
Which side of heart failure is most associated with breathlessness when lying flat?
Left-sided heart failure is most directly associated with these breathing symptoms; lung congestion may make breathing difficult when lying flat.
What fails in right-sided heart failure?
The right ventricle cannot pump blood effectively to the lungs.
What is biventricular heart failure?
Biventricular heart failure affects both sides and can cause lung congestion as well as swelling or abdominal fluid buildup.
Name common contributors to left-sided heart failure.
Coronary artery disease, heart attack, high blood pressure, and heart-valve or heart-muscle disorders can contribute.
How can left-sided failure strain the right ventricle?
Left-sided failure can raise pressure in the lung blood vessels, making the right ventricle work harder and potentially impairing its function.
What does HFrEF describe?
HFrEF involves reduced pumping ability, such as when the left ventricle contracts weakly.
What does HFpEF describe?
HFpEF involves impaired relaxation and filling; the ventricle may be stiff even though ejection fraction is preserved.
Are heart failure symptoms exclusive to one side?
These are common patterns, not absolute rules. Shortness of breath, fatigue, and fluid retention can occur in more than one type.
What is the left side of the heart’s main pumping role?
The left side pumps oxygen-rich blood from the lungs to the rest of the body.
Where does fluid commonly back up in left-sided heart failure?
Pressure rises behind the left side of the heart, causing fluid to build up in the lungs.
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