what does hemodynamically unstable mean?

Answer 1

It means the blood pressure is too low to a degree that tissues are not being perfused well. "Shock" infers a more extreme version. Low blood pressure can result from:
(1) blood loss;
(2) pump failure such as from myocardial function, arrhythmia, or valve disorder;
or (3) decreased systemic vascular resistance which usually is from sepsis.

Answer 2

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Answer 3

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RE:
what does hemodynamically unstable mean?

Answer 4

The last guy left a pretty good answer, except that it's not very 'user-friendly.' And also that he probably meant 'myocardial infarction' (which is nerd-language for 'heart attack'), instead of 'myocardial function.'

Anyways, when someone says that a person/patient is 'hemodynamically unstable' he/she usually means that they have reason to believe that the patient's blood is at risk of not being able to do its job. The blood supplies all the tissues of the body with oxygen and nutrients, and it has to rely on the heart and blood vessels to make sure it gets to all those tissues to do its job. Also, the blood itself can cause problems (anemia is an example). Anyways, like the other guy said, these problems are usually due to one of the following: the heart isn't pumping as well as it should, there's not enough blood, or the vessels have dilated and the blood is pooling in them, preventing good flow.

Either way, this usually leads to lower pressure, which leads to poor flow. When there's poor/no flow past these tissues, they don't get the oxygen/nutrients they need, and they get injured and can die.

Answer 5

In reference to the other question I answered, hemodynamically unstable would mean, for instance, that you do not have enough blood volume to fill your vessels and keep your blood pressure where it needs to be. Or it can mean that you do have enough blood volume but your heart is not pumping effectively.

Answer 6

Hemodynamically Stable

Answer 7

Usually it means a person is in shock or at risk of going into shock, either from not having enough blood (as in the case of severe bleeding) or having very low blood pressure (also a problem with severe injuries and cardiac disease).

Answer 8

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Answer 9

Hemodynamically

Answer 10

I would imagine it means the bloods cell counts are out of whack.