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Hypertension - 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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Hypertension - Medical Animation
MEDICAL ANIMATION TRANSCRIPT: The cardiac cycle consists of the sequence of events in the heart through one complete heartbeat. The cardiac cycle begins with systole when the ventricles of the heart contract, squeezing the blood out of the heart into the arteries. Diastole completes the cardiac cycle as the ventricles relax and fill with blood. Blood pressure is a measure of the force exerted by pumped blood on the walls of arteries. Blood pressure is higher during systole and lower as the arteries relax during diastole. Normal systolic blood pressure should be below 120, and diastolic pressure below 80. High blood pressure or hypertension is chronic elevated blood pressure. Hypertension is associated with the following risk factors, age, ethnicity, genetic factors, obesity, smoking, excessive salt consumption, and alcohol, sedentary lifestyle, stress, and chronic conditions such as high cholesterol, diabetes, and kidney disease. These factors all contribute to an increased stiffness or resistance in the peripheral arteries throughout the body. This increased resistance causes increased blood pressure the heart must push against. As the heart works harder, its walls thicken, causing the volume of the ventricles to decrease. With each cardiac cycle, the heart ejects less blood. The brain recognizes this and signals to the heart to pump faster, eventually leading to heart failure and damage to other organs such as the brain and the kidneys. Treatments for hypertension include lifestyle changes and drug therapy. Lifestyle changes include losing weight, regular exercise, reducing salt and sugar intake, eating a low-fat high-fiber diet, stopping smoking, limiting alcohol consumption, and stress management. Drug therapy is intended to reduce blood volume or relax blood vessels, both of which decrease blood pressure. Antihypertensive drugs include diuretics, which rid the body of extra water and salt, beta blockers, which block the effects of adrenaline and ease the heart's pumping action, angiotensin receptor blockers or ARB's, which block angiotensin, a protein that causes arteries to narrow, angiotensin converting enzyme or ACE inhibitors, which reduce production of angiotensin, and calcium channel blockers or CCB's, which relax blood vessels letting blood flow more easily and, thereby, lowering blood pressure. ♪ [music] ♪

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"Our practice involves medical negligence cases exclusively. We have six attorneys and one physician on staff. We have used Medical Legal Art's staff for every one of our cases over the past 12 years and have found their services to be extraordinary. The transformation of medical records into powerful graphic images has without fail been handled expertly, expeditiously and effectively translating into superb results for our clients, both in the courtroom and in settlement. Every case can benefit from their excellent work and we unqualifiedly recommend their services. They are the best!"

Chris Otorowski
Morrow and Otorowski
Bainbridge Island, Washington
www.medilaw.com

"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

"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

"At 3 PM it hit me--I needed exhibits of a tracheostomy, a coronary artery bypass and a deep vein thrombosis--all in time for a for-trial video deposition the next day. The Doe Report had each exhibit on line. In addition, I ran across an exhibit I hadn't even thought of: reduced ejection fraction after a heart attack. Because this was a video deposition, I could use the e-mail version of the medical exhibit, print it on my color copier, and let the camera zoom in. For $400, less than one blow-up by one of The Doe Report's competitors, I got four first-rate exhibits in less than a day. The Doe Report saved me time and money."

Tracy Kenyon Lischer
Pulley Watson King & Lischer
Durham, NC
www.PWKL.com













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