Afterload Overview

Encyclopedia: Afterload

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In cardiac physiology, afterload is used to mean the tension produced by a chamber of the heart in order to contract. If the chamber is not mentioned, it is usually assumed to be the left ventricle. However, the strict definition of the term relates to the properties of a single cardiac myocyte. It is therefore only of direct relevance in the laboratory; in the clinic, the term end-systolic pressure is...


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Are preload & afterload useful?
Are preload & afterload useful for extending the ventricular pressure or harmful? why?

Your question is phrased in such a way that it is difficult to understand exactly what you are asking. Ralph

Asked by ehsan o - 13 months ago

Why are the vessels of the venous system, particularly the small venules and veins, termed...
A) They transmit and maintain the head of perfusion pressure. B) They can alter their...

B) They can alter their capacity to maintain perfusion pressures For example, constriction of the veins decreases venous volume and increases venous pressure, which alters cardiac output.

Asked by puppy - 5 months ago

Forum Search

OmgiliOMGILI

  • PostLoad, AfterLoad - 4 replies

    I've scoured the web and haven't found a reference on how to do this. I'd like to intercept... an entity after it's been hydrated by nhibernate and modify the IsDirty flag of the entity...

    Sep 11, 2007

  • ? preload reduction (eg. valsalva maneuver) and afterload - 2 replies

    WHY preload reduction (eg. valsalva maneuver) and afterload reduction (eg. NTG and other the congestion greater the murmur.. same principle applies. youdecrease the afterload, less SVR more

    Jun 11, 2006

  • Handgrip [en-us=>es-mx] - 2 replies

    in preload (eg, Mueller maneuver, squatting) or increase in afterload (eg, handgrip). Field and topic: The murmur and the gradient across the LV outflow tract diminish with any ...

    Sep 14, 2005

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