Patho Hemodynamic Disorders

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Flashcards consist of section 2b, Hemodynamic disorders

20 Terms

1
Hemodynamic disorders
Interruptions of normal blood flow usually involving a thrombus or thromboembolus.
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2
Thrombosis
Formation of a thrombus, which is organized unlike a random clot.
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3
Thrombus
A thrombus is a blood clot that is attached to the wall of a blood vessel.
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4
Lines of Zahn
Alternating layers of fibrin and cells found in growing thrombus.
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5
Endothelial damage
Damage to the vascular lining exposing collagen, causing platelet aggregation.
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6
Deep vein thrombosis (DVT)
A thrombus that forms in the deep veins of the legs, posing significant risk.
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7
Thromboembolism
A part of an attached thrombus that breaks off and travels downstream, potentially causing ischemia.
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8
Pulmonary embolism
A blockage in the pulmonary artery usually originating from leg veins.
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9
Fibrinolytic system
The system in the body that breaks down fibrin, limiting clotting, and promoting blood flow.
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10
Air emboli
Bubbles of gas in blood vessels that can cause critical complications during diving or surgical procedures.
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11
Amniotic fluid embolism (AFE)
A rare condition where amniotic fluid cells enter the maternal circulation causing severe complications.
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12
Fat emboli
Emboli that occur when fat globules enter the bloodstream, often following bone fractures.
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13
Necrosis
Tissue death due to the loss of blood supply, often as a result of an infarction.
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14
Myocardial infarction
A heart attack resulting from the occlusion of coronary arteries.
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15
Cerebral infarction
A stroke caused by the disruption of blood supply to the brain.
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16
Anticoagulants
Medications used to prevent blood clotting, such as heparin and aspirin.
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17
Foreign body emboli
Emboli caused by objects such as bullet fragments or glass that can occlude vessels.
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18
Flow abnormalities
Reduction or stasis of blood flow which can lead to thrombus formation.
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19
Turbulence
Irregular blood flow that can increase the likelihood of thrombus formation.
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20
Recanalization
The process by which blood flow is partially restored through an organized thrombus.
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