Anticoagulant & Antiplatelet

Question 1

Prothrombin time PT

Answer 1

Measures effectiveness of extrinsic system 11 to 15 seconds INR1

Question 2

Partail thromboplastin time PTT

Answer 2

Detect coagulation defect of intrinsic system
25 to 36 seconds

Question 3

Normal platelet count

Answer 3

140,000 to 400,000/ ul

Question 4

Which agents can be taken alone or dual therapy

Answer 4

Anti platelets

Question 5

Desmopressin

Answer 5

Used to control bleeding

Question 6

Anticoagulants

Answer 6

Warfarin
Dabigatran (Pradaxa)
Rivaroxaban (Xarelto)
Apixaban (Eliquis)
Heparins

Question 7

Which anticoagulants are factor 10 inhibitors

Answer 7

Rivaroxaban (Xarelto)
Apixaban (Eliquis)

Question 8

Supragingival scaling
Non surgical endodontic therapy
Removable and fixed prosthesis

Answer 8

Minor surgical procedures

Question 9

Extractions
Biopsy
Implant placement
Periodontal surgeries
Endodontic surgery
Dentoalveolar surgery

Answer 9

Minor or invasive oral surgeries

Question 10

Maxillofacial surgeries and orthognathic surgery

Answer 10

Major oral surgery

Question 11

Patients taking warfarin for minor surgeries

Answer 11

INR between 1- 3.5

Question 12

Major oral surgeries and pts on warfarin

Answer 12

1-3

Question 13

Drug interactions for pts on warfarin

Answer 13

Avoid aspirin, NSAIDS, cephalosporin, erythromycin, clarithromycin, tetracycline, metronidazole, barbiturates, steroids

Question 14

Pts taking heparin

Answer 14

Defer surgery until 6 hours after heparin stopped
Book pts day after dialysis
Avoid aspirin and NSAIDs

Question 15

Reversal agent for Heparin

Answer 15

Protamine