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Left Sided Heart Failure - Medical Animation

 

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Item #ANM10003 — Source #1

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Left Sided Heart Failure - Medical Animation
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 build up 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 that is pumped out is insufficient to meet the body's needs. Long standing diseases such as coronary artery disease, hypertension, and diabetes can thicken and stiffen the ventricular muscle, making it a non-compliant, inefficient pump. As a result of reduced myocardial contractility, the unexpelled blood pools inside the left ventricle, and the chamber expands to hypertrophic size. This hypertrophy of the heart muscle results in the insufficient delivery of nutrients and oxygen to tissues. In both systolic and diastolic left-sided heart failure, the build up of unexpelled blood increases pressure in the pulmonary circulation causing serosanguineous fluid to seep into the alveoli and interstitium. This fluid build up is heard as crackles and rhonchi when the lungs are auscultated. As the lungs saturate with fluid, patients may develop difficulty of breathing called dyspnea, trouble breathing while lying flat called orthopnea, or rapid breathing called tachypnea. The heart rate increases to compensate for the left ventricles weakened state, which in time leads to thickening the myocardium as it labors to push blood out of the heart against the increasing pressure in the pulmonary vessels and fluid in the lungs and continuing the cycle of cardiac muscle damage. Treatment for heart failure involves changes in lifestyle such as diet and exercise, medication, surgery, or a combination of approaches. Medications commonly prescribed for 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 cardiac glycoside 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:
"This past year, your company prepared three medical illustrations for our cases; two in which we received six figure awards; one in which we received a substantial seven figure award. I believe in large part, the amounts obtained were due to the vivid illustrations of my clients' injuries and the impact on the finder of fact."

Donald W. Marcari
Marcari Russotto & Spencer, P.C.
Chesapeake, VA
"I wanted to thank you for the terrific job you did illustrating my client's injuries. The case was settled at the pre-suit mediation, and I believe a good part of the success we had was due to the medical legal art you prepared.

Your work received the ultimate compliment at the conclusion of the mediation. The hospital risk manager took the exhibit with them at the conclusion of mediation, and will be using it to train nurses on how to prevent bed sores..."

Steven G. Koeppel
Troy, Yeslow & Koeppel, P.A.
Fort Myers, FL

"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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