DVT Exam Rated A+ Verified Solutions
Study online at https://quizlet.com/_i3kuik
1. What's Homan's sign?: Pain calf with dorsiflexion of the ankle
2. What's Pratt's sign?: Pain with compression of the calf
3. What's Virchow's Triad?: 1. hypercoagulability
2. immobilization
3. endothelial wall injury
4. What are the RISK FACTORS for DVT?: "I AM CLOTTED"
-Immobilization
-A Fib/CHF
-Malignancy/MI
-Coagulopathy
-Longevity (age)
-Obesity
-Trauma
-Tobacco
-Estrogen/BCP/HRT
-DVT/PE history
Others: Pregnancy, Age 75+, Collagen vascular dz, infection, post-partum, HIV/AIDs
5. What are 4 tests you can order for diagnosis of DVT?: 1. Compression ultrasound (can
actually visualize the clot)
2. D-Dimer >500 μg/mL (not sufficient as a stand-alone test)
3. Contrast venography
4. Impedance plethysmography
6. Explain the Law of 8018: For IV unfractionated heparin for IMMEDIATE anti-coag
-80 mg/kg IV bolus initial dose
-18 mg/kg/hr after that
7. How often should you check PTT with administration of unfractionated he-
parin?: q6h until it stabilizes to 1.5 - 2x normal (46-70s)
8. What's the dosage for immediate anticoagulation using LMWH/enoxaparin
(Lovenox)?: 1 mg/kg subQ q12h
9. What drug can you use for continued anti-coag?: Warfarin
10. How is warfarin dosed?: Load at 10mg or 7.5 mg PO q day for 2-5 days then adjust with INR
1/3
Study online at https://quizlet.com/_i3kuik
1. What's Homan's sign?: Pain calf with dorsiflexion of the ankle
2. What's Pratt's sign?: Pain with compression of the calf
3. What's Virchow's Triad?: 1. hypercoagulability
2. immobilization
3. endothelial wall injury
4. What are the RISK FACTORS for DVT?: "I AM CLOTTED"
-Immobilization
-A Fib/CHF
-Malignancy/MI
-Coagulopathy
-Longevity (age)
-Obesity
-Trauma
-Tobacco
-Estrogen/BCP/HRT
-DVT/PE history
Others: Pregnancy, Age 75+, Collagen vascular dz, infection, post-partum, HIV/AIDs
5. What are 4 tests you can order for diagnosis of DVT?: 1. Compression ultrasound (can
actually visualize the clot)
2. D-Dimer >500 μg/mL (not sufficient as a stand-alone test)
3. Contrast venography
4. Impedance plethysmography
6. Explain the Law of 8018: For IV unfractionated heparin for IMMEDIATE anti-coag
-80 mg/kg IV bolus initial dose
-18 mg/kg/hr after that
7. How often should you check PTT with administration of unfractionated he-
parin?: q6h until it stabilizes to 1.5 - 2x normal (46-70s)
8. What's the dosage for immediate anticoagulation using LMWH/enoxaparin
(Lovenox)?: 1 mg/kg subQ q12h
9. What drug can you use for continued anti-coag?: Warfarin
10. How is warfarin dosed?: Load at 10mg or 7.5 mg PO q day for 2-5 days then adjust with INR
1/3
