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Pathology Unit II
Hemorrhage
18
Pathology
Graduate
01/27/2013

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Term
Hemorrhage
Definition
rupture or laceration of a blood vessel
Term
Hematoma
Definition
massive clot due to accumulation of blood within a tissue.
Term
Hemothorax
Definition
blood in pleural cavity.
Term
Hemopericardium
Definition
blood in pericardial cavity.
Term
Hemoperitoneum
Definition
blood in peritoneal cavity.
Term
Petechiae
Definition
small hemorrhages (minute), usually in skin, mucous membranes, and serosal surfaces.
Term
Purpura
Definition
hemorrhages up to approximately 1 cm, usually in skin, mucous membranes, and serosal surfaces.
Term
Ecchymoses
Definition
large and blotchy hemorrhages.
Term
Red cell diapedesis
Definition
escape of red blood cells into tissue following prolonged congestion.
Term
3 causes of Hemorrhage
Definition
trauma, diseases effecting vessel walls, clotting disorders
Term
Clinical significance of hemorrhage
Definition
dependent on amount of blood loss, rate of blood loss, and site of hemorrhage.
Term
Of the following, which is the major “anti-clotting” or “unclotting” system of the body?
Definition
plasminogen system
Term
An elderly patient who had been taking quinine for nocturnal leg cramps came to the dentist because of bleeding from the gums after brushing her teeth. The dentist noted multiple small (1-2mm) hemorrhagic lesions of the buccal mucosa and referred her to a physician. The small punctate hemorrhages seen in this patient were probably
Definition
petechiae
Term
: A large collection of clotted blood beneath the dura mater, such as that seen in this image is called a/n
Definition
Hematoma
Term
[image]
Definition
Ecchymoses
Term
[image]
Definition
Hematoma
Term
[image]
Definition
Petchaie
Term
[image]
Definition
Purpura
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