Anti-thrombotic drugs in CVD Flashcards

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1
Q

What drug is a thrombin antagonist?

A

Dabigatran

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2
Q

What drug class is fondaparinux?

A

Indirect Xa inhibitor

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3
Q

Which drugs are fibrinolytics?

A

Alteplase
Tenecteplase

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3
Q

Which drugs are P2Y12 antagonists?

A

Clopidogrel
Ticagrelor
Prasugrel

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3
Q

Which drug is a 2b3a receptor antagonist?

A

Abciximab

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4
Q

Mechanism of coronary thrombus?

A
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5
Q

Is aspirin a reversible or irreversible inhibitor of COX 1?

A

Irreversible

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6
Q

How is Thromboxane A2 different to Prostacyclin?

A
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7
Q

Why do we give aspirin high dose in MI?

A

High dose inhibits both thromboxane A2 and Prostacyclin.

Low dose only inhibits Thromboxane A2.

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8
Q

Why was clopidogrel developed?

A

To combat acute coronary stent thrombosis

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9
Q

What is clopidogrel resistance?

A
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10
Q

Which DOAC can cause SOB?

A

Ticagrelor

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11
Q

When are glycoprotein 2b3a receptor antagonists used?

A
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12
Q

When is second antiplatelet given for NSTEMI?

A

After diagnostic angio

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13
Q

What makes thrombosis risk high in mechanical valve?

A

Older valve type
Mitral>aortic
Poor LV function
AF

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14
Q

Where does warfarin act in the clotting cascade?

A

1972 was the diSCo era
10
9
7
2
Protein S and C

15
Q

How is warfarin metabolised?

A

Liver P450 enzyme group

16
Q

When is warfarin used?

A
17
Q

Warfarin side effects?

A
18
Q

Where does heparin act in the clotting cascade?

A
19
Q

Antidote for heparin?

A

Protamine - potent vasodilator

20
Q

Heparin-induced thrombocytopenia (HIT) mechanism?

A
21
Q

Antidote for Dabigatran?

A

Idarucizumab

22
Q

Antidote for Rivaroxaban and Apixaban?

A

Andexanet

23
Q

How do fibrinolytics work?

A
24
Q

When would you give prasugrel/ticagrelor over clopi?

A
25
Q
A