8-Veins Flashcards
what are varicose veins
dilations of veins caused by prolonged stagnation of blood
what are the most common sites for varicose veins
- legs
- rectum
- esophagus
- spermatic cord
what is embolus
a plug composed of a detched clot
what is embolization
introduction of vaious substances into circulation to prevent hemorrhaging
what is thrombus
clot in cardio system formed from blood
what is thrombosis
formation or presence of a thrombus
what are the 3 major diseases of the veins
1–varicose veins
2–phlebothrombosis
3–thrombophlebitis
what is phlebothrombosis
clotting in a vein without prior inflammation
what is thrombophlebitis
venous inflammation with thrombus formation
is embolism common with varicose veins
no, very rare
why do varicose veins occur in the esophagus
due to cirrhosis in the liver because of the obstruction of the portal vein
what factors influence basic formation of varicose veins
heredity
age
obesity
prolonged standing
what are effects of varicose veins
- leg fatigue
- hemorrhage is rare
- thrombosis is frequent complication
