DVT Flashcards

1
Q

Virchow’s triad includes

A

Stasis
Hypercoaguable state
Endothelial injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the most important risk factor for DVT

A

Admission into hospital for medical or surgical treatment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the MC congenital prothrombotic condition

A

Factor V (leiden mutation)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is May Thurner syndrome

A

Right iliac artery, presses on the left iliac vein, and gives rise to left iliac vein thrombosis 

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is Phlegmasia Cerulea Dolens

A

Painful blue limb
Collaterals also thrombosed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is Phlegmasia Alba dolens

A

It is painful white leg / Milk leg
Collaterals are spared

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

MC veins involved in DVT

A

Calf / Soleal vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

MC veins in which DVT gives rise to PA

A

Iliofemoral veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Most constant sign in DVT is

A

Limb edema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is Moses sign

A

When Calf is squeezed it leads to pain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is Homan’s sign

A

During dorsiflexion of foot - there is resistance / stiffness ( it is not pain)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

IOC for DVT

A

Duplex Scan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which criteria is used for predicting DVT and carrying out imaging

A

Modified Wells criteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Score to remember in modified wells criteria

A

IV drug abuse = 3
Alternative diagnosis more likely than DVT = (-2)
Others 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which lab value has negative predictor value for DVT

A

Negative D dimer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Management for recurring DVT

A

Lifelong Anticoagulants

17
Q

Anticoagulation management for DVT patients

A

First 5 days : LMWH + warfarin
After 5 days : warfarin

18
Q

What is targeted INR in warfarin therapy

19
Q

Maximum value of INR at which surgery can be done without raise in excessive bleeding is

20
Q

What to administer if patient is sensitive to warfarin

A

Fondaparinux (factor Xa inhibitors)
Biliverdin (direct thrombin inhibitor )

21
Q

What are some NOAC

A

Rivaroxaban
Apixaban
No monitoring required

22
Q

What to do if patient presents with early DVT

A

Direct thrombolysis can be done (streptokinase/urokinase)

23
Q

Management for first episode of DVT

A

Warfarin for 3 months

24
Q

What to administer to reduce the INR

A

Prothrombin factor concentrates > FFP

25
What is ATTRACT trial?
Thrombolysis is useful in patient with proximal DVT with moderate to severe symptoms
26
MC used IVC Filter is
Greenfield filter
27
Management of IVC blocked
IV Fluid
28
In PE ….. will be raised
JVP
29
…. Position inc the risk of PE
Sitting from lying down
30
Primary Upper extremity DVT is also known as
Paget Schrotter disease (Axillary vein thrombosis)
31
Secondary upper extremity DVT is occurs due to
Indwelling catheter
32
Mgt of superficial thrombophlebitis
Anti inflammatory agent Thrombophobe ointment Compression garment can also use
33
DVT IS usually Unilateral or Bilateral?
Unilateral
34
What is the Gold standard for DVT
Venography
35
What investigation is done suspected case of PE
CT angiography
36
Maximum value of INR at which surgery can be done without rise in Excessive bleeding is
1.4