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Heart Anatomy - Medical Animation

 

This animation may only be used in support of a single legal proceeding and for no other purpose. Read our License Agreement for details. To license this image for other purposes, click here.

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Heart Anatomy - Medical Animation
MEDICAL ANIMATION TRANSCRIPT: Your heart is an extraordinary machine. During your lifetime, your hearts muscular walls pump blood into blood vessels branching throughout your body. Your heart has four chambers. Two upper chambers, called the left and right atria, and two lower chambers, called the left and right ventricles, contract in a steady rhythm known as your heartbeat. During a normal heartbeat, blood from your tissues and lungs flows into your atria, then into your ventricles. Walls inside your heart, called the interatrial and interventricular septa, help keep the blood on left and right sides from mixing. Two valves sit like doors between your atria and ventricles to prevent blood from flowing backward into your atria. The tricuspid valve opens into your right ventricle, and the bicuspid valve, also known as the mitral valve, opens into your left ventricle. Strong, thin tissues called chordae tendinae hold your valves in place during the forceful contractions of your ventricles. Blood leaving the ventricles passes through another set of valves: the pulmonary valve, between your right ventricle and pulmonary trunk, and the aortic valve, connecting your left ventricle and aorta. In order to pump blood more efficiently, your heart muscle, called myocardium, is arranged in a unique pattern. Three layers of myocardium wrap around the lower part of your heart. They twist and tighten in different directions to push blood through your heart. When special cells, called pacemaker cells, generate electrical signals inside your heart, the heart muscle cells, called myocytes, contract as a group. Your heart is divided into left and right halves, which work together like a dual pump. On the right side of your heart, deoxygenated blood from your bodys tissues flows through large veins, called the superior and inferior vena cava, into your right atrium. Next, the blood moves into your right ventricle, which contracts and sends blood out of your heart to your lungs to gather oxygen and get rid of carbon dioxide. On the left side of your heart, oxygen-rich blood from your lungs flows through your pulmonary veins into your left atrium. The blood then moves into your left ventricle, which contracts and sends blood out of your heart through the aorta to feed your cells and tissues. The first branches off your aorta are the coronary arteries, which supply your heart muscle with oxygen and nutrients. At the top of your aorta, arteries branch off to carry blood to your head and arms. Arteries branching from the middle and lower parts of your aorta supply blood to the rest of your body. Your heart beats an average of sixty to one hundred beats per minute. In that one minute, your heart pumps about five quarts of blood through your arteries, delivering a steady stream of oxygen and nutrients all over your body.

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What attorneys say about MLA and The Doe Report:
"We are extremely pleased with the quality of the medical exhibits and the timely manner in which they were provided. I will certainly recommend your company to my business associates who could benefit from your services. Please tell Brian Wilson [Director of Content Development, Senior Medical Illustrator] that he did an exceptional job on these exhibits."

K. Henderson
Dunaway and Associates
Anderson, SC

"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

"I just wanted to let you know that after several days on trial, I settled [my client's] construction accident case for $4.5 million. Immediately after the jury was discharged, I spoke with several jurors who told me that they really appreciated the medical illustrations for their clarity in dealing with [my client's] devastating injuries. They also expressed their gratitude in being able to read from a distance all of the notations without difficulty. Obviously, the boards were visually persuasive. I am certain that this contributed to our successful result."

Michael Gunzburg, Esq.
Attorney at Law.
New York, NY

"There is nothing like a great graphic depicting the real nature and extent of a victim's injuries to get full value for your client. I use Medical Legal Art for mediations as well as trial."

Geoff Wells
Greene, Broillet, Panish & Wheeler
Santa Monica, CA













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