Deep vein thrombosis questions from OME Flashcards Preview

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Flashcards in Deep vein thrombosis questions from OME Deck (5):
1

What is the definition of a proximal DVT?

A thrombus in the popliteal, superficial femoral, deep femoral, common femoral or external iliac vein

2

What is Virchow's Triad?

Blood stasis, procoagulent tendency, and endothelial injury.
- Each of these can lead to thrombosis.

3

Give 4 transient risk factors for DVT

- Immobilisation
- Surgery
- Trauma
- Acute infectious or inflammatory illness

4

Is treatment indicated for a below-knee DVT?

- It is not known whether a below-knee DVT confers increased risk of PE; it is certainly a common incidental finding in otherwise well individuals.

- If local symptoms are thought to be due to the DVT, offer treatment. If not, consider repeat scanning in one week to see if the clot has extended proximally.

5

Which patients with DVT should undergo investigation for an underlying cause?

Those aged >55 years with unprovoked DVT, and those with recurrent unprovoked DVT or DVT at an unusual site.