Unit 1.6 - Embolism Flashcards

1
Q

the process whereby detached intravascular foreign matter is carried by the blood stream to lodge at a site distant to its point of origin. These masses move in the blood stream until they reach a vessel whose diameter is too small to traverse

A

embolism

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2
Q

Where do most emboli occur?

A

arterial system

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3
Q

What are the three types of emboli?

A

solid, liquid, gas

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4
Q

pieces of thrombi, tumor cells, pus, parasites, bacterial colonies, intervertebral disk material, malignant tumors

A

solid emboli

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5
Q

fat from bone marrow

A

liquid emboli

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6
Q

nitrogen, air

A

gas emboli

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7
Q

If the embolus arises in a veign other than the abdominal viscera, where will it end up?

A

lung capillary bed

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8
Q

If the embolus arises in an artery or in the heart, where will it lodge?

A

distant vascular periphery

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9
Q

If the embolus arises in a vein of the abdominal viscera, where will it lodge?

A

liver sinusoids

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10
Q

If an embolus arises from an arteriovenous sent - especially in the lungs, what will happen?

A

may allow emboli to by-pass the usual capillary bed

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11
Q

If an embolus arises from heart anomalies like septal defects, what may happen?

A

by-pass of lungs

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12
Q

What is the name for an embolus that by-passes the lungs?

A

paradoxical embolus

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13
Q

What is the most common source of solid emboli?

A

fragments from thrombi

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