Respiratory

Question 1

Virchow’s Triad

Answer 1

1. Stasis
2. Hypercoaguable state
3. Vessel wall injury

Question 2

7 criteria of a Wells score for PE

Answer 2

1. Clinical sign of DVT
2. PE = most likely diagnosis
3. Tachycardia
4. Immobilization
5. History of DVT/PE
6. Haemoptysis
7. Malignancy or palliative

Question 3

What is the purpose of CXR if PE is suspected

Answer 3

To exclude pneumothorax/ infection

Question 4

What is the purpose of an ECG if PE is suspected

Answer 4

To look for right heart deviation - sign of right heart strain

Question 5

When is a D-dimer indicated?

Answer 5

When the wells score is >4

Question 6

1st line anticoagulant used in PE

Answer 6

LMWH