Venous and Lymphatic system Flashcards
How do leaky valves cause varicose veins?
They allow blood to flow back from the deep veins into the superficial veins, which can then become dilated
What are the risk factors for varicose veins?
Prolonged standing Obesity Genetic disposition Family history The pill
What are the major signs of varicose veins?
Oedema Eczema Ulcers Phlebitis Nocturnal cramps
What is the recommended treatment for varicose veins?
Surgery
Compression
Endovascular treatment
Education (Cut out risk factors)
What are the main possible complications of varicose vein surgery?
Minor haemorrhage
Thrombophlebitis
Haematoma
Wound problems (severe pain)
How does VNUS work in treating varicose veins?
A wire is sent into the affected vein and heated to 85-120 degrees celsius
When an individual is standing still for a long time, what happens to the pressure in the foot?
It increases
What is the main cause of CVI?
Failure of the calf muscle pump
What must be ruled out before starting compression therapy in suspected CVI?
Arterial disease
