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Anatomy and Physiology /Understanding Varicose Veins

Understanding Varicose Veins

Anatomy and Physiology10 CardsCreated 3 months ago

This deck covers the key aspects of varicose veins, including their definition, epidemiology, anatomy, development, types, risk factors, clinical features, investigations, management, and complications.

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What are varicose veins?

Varicose veins are dilated, engorged, and tortuous superficial veins that are 3mm in diameter or larger, commonly affecting the lower limbs.

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Key Terms

Term

Definition

What are varicose veins?

Varicose veins are dilated, engorged, and tortuous superficial veins that are 3mm in diameter or larger, commonly affecting the lower limbs.

What is the prevalence of varicose veins in adults?

The adult prevalence of visible varicose veins is between 30-50%.

How does the venous system in the lower limb function?

Blood is drained from the skin to superficial veins, then into deep veins, connected by perforator veins that allow one-way blood flow from superficia...

What causes the development of varicose veins?

Varicose veins develop when perforator vein valves become incompetent, causing blood to flow back into superficial veins, increasing pressure and caus...

What are the primary and secondary types of varicose veins?

Primary varicose veins are often familial and due to superficial vein weakness, while secondary varicose veins result from venous outflow obstruction ...

List some risk factors for varicose veins.

Risk factors include increasing age, family history, female gender, pregnancy, obesity, prolonged standing, deep vein thrombosis, and trauma.

What are common clinical features of varicose veins?

Features include leg heaviness, exercise intolerance, pain, burning sensation, pruritus, oedema, and muscle cramps.

What is the purpose of the Trendelenburg’s test?

It assesses the location of incompetent valves by observing varicose veins' reappearance after applying a tourniquet and standing the patient up.

What are some management options for varicose veins?

Management includes conservative measures like weight loss and compression stockings, and procedures like sclerotherapy, thermal ablation, and surgery...

What are potential complications of untreated varicose veins?

Complications include haemorrhage, varicose eczema, pigmentation, lipodermatosclerosis, chronic ulcers, and potentially malignant ulcers.

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Understanding Varicose Veins

Term	Definition
What are varicose veins?	Varicose veins are dilated, engorged, and tortuous superficial veins that are 3mm in diameter or larger, commonly affecting the lower limbs.
What is the prevalence of varicose veins in adults?	The adult prevalence of visible varicose veins is between 30-50%.
How does the venous system in the lower limb function?	Blood is drained from the skin to superficial veins, then into deep veins, connected by perforator veins that allow one-way blood flow from superficial to deep veins.
What causes the development of varicose veins?	Varicose veins develop when perforator vein valves become incompetent, causing blood to flow back into superficial veins, increasing pressure and causing dilation.
What are the primary and secondary types of varicose veins?	Primary varicose veins are often familial and due to superficial vein weakness, while secondary varicose veins result from venous outflow obstruction or valve destruction.
List some risk factors for varicose veins.	Risk factors include increasing age, family history, female gender, pregnancy, obesity, prolonged standing, deep vein thrombosis, and trauma.
What are common clinical features of varicose veins?	Features include leg heaviness, exercise intolerance, pain, burning sensation, pruritus, oedema, and muscle cramps.
What is the purpose of the Trendelenburg’s test?	It assesses the location of incompetent valves by observing varicose veins' reappearance after applying a tourniquet and standing the patient up.
What are some management options for varicose veins?	Management includes conservative measures like weight loss and compression stockings, and procedures like sclerotherapy, thermal ablation, and surgery.
What are potential complications of untreated varicose veins?	Complications include haemorrhage, varicose eczema, pigmentation, lipodermatosclerosis, chronic ulcers, and potentially malignant ulcers.