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atla.doereport.comatla.doereport.comRight Sided Heart Failure - Medical Animation
Right Sided Heart Failure - Medical Animation



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7/5/20
Right Sided Heart Failure - Medical Animation
 
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Right Sided Heart Failure - Medical Animation
MEDICAL ANIMATION TRANSCRIPT: In right-sided heart failure, the right ventricle cannot contract with enough force to push de-oxygenated blood, a volume called preload, out of the heart, through the pulmonary arteries and into the lungs for oxygenation. The most common cause of right-sided heart failure is left-sided heart failure, often the result of coronary artery disease. Increased after-load or resistance in pulmonary arteries elevates pumping pressure and weakens the right ventricle overtime. Right-sided heart failure caused by pulmonary disorders is called cor pulmonale. Pulmonary conditions that contribute to right-sided heart failure are chronic obstructive pulmonary disease, or COPD, cystic fibrosis, and acute respiratory distress syndrome, or ARDS. As the overworked right ventricle labors to get the blood into the normally low-pressure pulmonary arterial system, its walls hypertrophy and pump ineffectively. Ineffective pumping causes blood to remain in the right ventricle and atrium, increasing pressure inside the right side of the heart and pulmonary arteries, forcing the right ventricle to work harder to overcome the resistance. The heart muscle hypertrophies and pumps ineffectively resulting in the insufficient delivery of nutrients and oxygen to the heart and other vital tissues. Blood accumulating in the right ventricle and atrium congests the venous circulation including the vena cavae, jugular veins, and portal circulation. Buildup blood and fluid in the liver's tissues leads to hepatomegaly. Reduced cardiac output deprives the kidneys of blood, impairing filtration and their ability to remove excess sodium and water. Nocturia, or excessive urination at night, often reflects the renal impairment secondary to right-sided heart failure. Retained sodium and water increase the blood volume pump by the overloaded heart, raising vascular pressure and increasing resistance against which the heart must pump. In response to venous congestion, fluid collects in the skin and soft tissues, causing a condition called peripheral edema and in the abdomen causing a condition known as ascites. Treatment for heart failure involves changes in lifestyle such as diet and exercise, medication, surgery, or a combination of approaches. Commonly, medications for right-sided heart failure are geared toward improving left-sided cardiac function. Medications commonly prescribed for a heart failure include diuretics, which reduce fluid volume and venous return by inhibiting sodium and water reabsorption along the kidney's renal tubular system. ACE inhibitors, which block hormones in the renin-angiotensin-aldosterone system, dilating vessels, lowering blood volume and venous return, decreasing the heart's workload and halting ventricular hypertrophy. Digoxin, a medication that increases the force of myocardial contractility by raising intracellular sodium and calcium concentrations. And beta-blockers, which compete with norepinephrine molecules for binding sites on cardiomyocytes preventing norepinephrine's effects, resulting in reduced speed and strength of the contractions which can support more efficient circulation through the body. [music]

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What attorneys say about MLA and The Doe Report:
"I have found that the personalized medical illustrations prepared by Medical Legal Art have been very accurate and helpful. The medical doctors, both treating physicians and expert witnesses, have commented on the accuracy and professionalism of the medical illustrations. Most importantly, your prompt service and attention upon even short notice has been tremendous. I can certainly say that the medical illustrations prepared by Medical Legal Art have assisted us in bringing cases to a successful resolution."

Paul L. Redfearn
The Redfearn Law Firm, P.C.
Kansas City, MO

"We got a defense verdict yesterday! Your exhibit was extremely helpful in showing the jury how unlikely it is to damage all four of the nerve branches which control the sense of taste."

Karen M. Talbot
Silverman Bernheim & Vogel, P.C.
Philadeplphia, PA

"Thank you very much for the great work on the medical exhibits. Our trial resulted in a $16 million verdict for a 9 year old boy with catastrophic injuries, and the medical illustrations definitely played key role in the trial."

David Cutt
Brayton Purcell
Salt Lake City, UT

"Medical illustrations are essential during trial for any medical malpractice case. The people at MLA have the uncanny ability of creating medical illustrations that simplify the most complex of medical concepts and human anatomy to a lay audience. The exhibits of MLA allow experts to easily describe complex concepts and human anatomy in a manner that could not be done otherwise.

In addition, their custom illustrations show in great detail the extent of injuries suffered and the devastating effects they have had on the client's anatomy. These custom illustration can show, side by side, the body before and after a catastrophic injury. The effect of this juxtaposition is unmatched by any testimony that can be adduced at the time of trial.

Even jurors after trial have commented on the ease with which they grasp medical concepts and anatomy once the MLA exhibits were introduced and used by my experts. Even judges who have "seen it all" are thoroughly impressed by the detail and sophistication of the illustrations.

I would not want to try a case without them."

Lambros Y. Lambrou
McHUGH & LAMBROU, LLP
New York, NY

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