Cardiac Tamponade: Pathophysiology, Etiology, Symptoms, Diagnosis and Management, Animation

(USMLE topics) Cardiac tamponade: Pathophysiology, causes, symptoms, diagnosis and treatments.
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Voice by: Ashley Fleming
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The heart is enclosed in a double-walled, fluid-filled sac called the pericardium. Cardiac tamponade happens when fluid accumulates abnormally in the pericardial sac, to such an extent that it compresses the heart, leading to decreased cardiac output and circulatory shock.
Tamponade may develop from a hemorrhage, such as from a traumatic injury to the chest, ventricular wall rupture after a heart attack, ruptured aortic aneurysm, or a complication after heart surgery. Fluid may also accumulate as a result of other health conditions, such as infections, autoimmune diseases, kidney failure, inflammatory diseases, and cancers.
The rate at which fluid is building up is often more critical than the volume of fluid. Slow accumulation of a large volume may not cause tamponade, but a relatively small effusion can do so if it builds up too rapidly, because the pericardium cannot stretch quickly enough to accommodate it. Traumatic events usually lead to faster fluid accumulation and are therefore more dangerous.
Cardiac tamponade symptoms are typical of a cardiogenic shock, and include: chest pain, rapid heart rates, shortness of breath, and in severe cases: dizziness, fainting, and altered mental status. The skin may feel cold, sweaty, and bluish. Neck veins may appear swollen.
Diagnosis is based on clinical evaluation, typically the presence of Beck's triad: hypotension, muffled heart tones and distended neck veins. Among imaging techniques, bedside echocardiography is the preferred method to visualize and determine the size of effusion.
Tamponade is a medical emergency. Pericardiocentesis is usually the first procedure performed to remove excess fluid from the pericardial cavity. A needle or a small catheter is used to draw the fluid out, preferably under echocardiography guidance. Removal of a small amount of fluid is usually sufficient to stabilize blood pressure, but a catheter can be left within the pericardium to allow for further drainage. Aspiration of fluid, however, may not work for traumatic pericardial effusions, which often consist of blood clots. Surgical options including creating a pericardial window or removal of the pericardium, are preferred in this situation.

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[@Baddy1900]

Animations are always easier to understand than pure text.

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V

[@lakshisl5897]

The best video so far that I have seen on this subject ❤️👍👍

[@athirasaran929]

Thank u so much.simple and clear cut explanation.easily understandable

[@ohyes966]

Right to the point, good for medics

[@rashamohammad2170]

Thanks for helping💜

[@dilparanavithana9339]

Thank you so much.... ❤️❤️

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Thank you so much

[@Alilamedicalmedia]

You're most welcome!

[@MrAlvarez23]

Nice and easy
Thank you having a test on Wednesday for Med Surge

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What is your deisese??
& How are you

[@AbhishekYadav-cr3xu]

Please upload a video on Jugular venous pressure

[@tridentOP9964]

Why does X wave remains prominent in tamponade why it doesn't go subtle just like Y wave ?

[@jinagibson6818]

So sad for people being abused. They're rarely treated.