273 DVT

Question 1

Focal oligemia

Answer 1

Westermark sign

Question 2

Peripheral wedge shaped density located

Answer 2

Hamptons hump

Question 3

Prominent descending right pulmonary artery

Answer 3

Palla sign

Question 4

Principal imaging test for PE

Answer 4

CT chest with contrast. PE protocol

Question 5

2nd diagnostic test for PE for patient with allergy to contrast

Answer 5

Lung scan

Question 6

Hypokinesia of the RV free wall

Answer 6

Mc Connells Sign

Question 7

Definitive diagnosis of PE

Answer 7

Visualization of an intra luminal filling defect in more than 1 projection; reserve is there is plan for thrombolysis

Question 8

Whats the most common sign of PE and most common symptom of PE?

Answer 8

Sign: tachycardia, HR more than 100 bpm Symptoms: dypnea/ unexplained breathlessness

Question 9

PE. RV hypokinesia + hypotension

Answer 9

Anticoagulation + thrombolysis; Embolectomy

Question 10

3 strategies for DVT/PE treatment

Answer 10

1. Parenteral anticoagulant with UF, LMWH, Fondaparinux bridged to warfarin
2. Parenteral x 5 days then dabigatran/edoxaban
3. Monotherapy with DOACs: rivaroxaban & apixaban

Question 11

APTT target for UFH in DVT

Answer 11

APTT 60-80 secs

Question 12

Why bridging therapy in warfarin in DVT

Answer 12

Warfarin has a early pro coagulant effect so overlap with UFH, LMWH

Question 13

Direct factor Xa inhibitor approved for VTE without parenteral bridging anticoagulant

Answer 13

Rivaroxaban and apixaban

Question 14

Best DOACs for patient with renal co morbidities

Answer 14

Apixaban. No need for renal adjustment

Question 15

Duration of anticoagulation in DVT

Answer 15

Provoked: 3-6 months
Cancer: until cancer is no longer active
Unprovoked: indefinitely