Left-Sided Heart Failure
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#HeartFailure #HeartDisease #PulmonaryCongestion MEDICAL ANIMATION TRANSCRIPT: In left-sided heart failure, the left ventricle cannot pump an adequate amount of blood, a volume known as preload, out of the heart. This condition causes pulmonary congestion, a buildup of blood in the pulmonary vessels causes fluid in lung tissues that impedes normal respiration. Systolic left-sided heart failure describes the left ventricle's inability to contract with enough force to drive blood out of the heart against resistance called afterload to the rest of the body. After a left ventricular contraction, the blood left behind in the chamber causes blood to back up into the left atrium and pulmonary circulation, leading to pulmonary congestion. Diastolic left-sided heart failure describes the inability of the left ventricle to expand sufficiently to accommodate oxygenated blood entering from the left atrium. In this condition, the left ventricle contracts with normal force, but the blood volume
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