15 - DVT and PE Flashcards
1
Q
virchow’s triad for forming a clot
A
- stasis
- endothelial damage
- hypercoag state
2
Q
risk factors for thrombosis
A
THROMBOSIS Trauma/travel Hypercoag/hormone replacment Recreational drugs Old age Malignancy Birth control Obese Surgery/smoking Immobile Sick
3
Q
classic Sx
A
pain swelling and redness
4
Q
wells critera for DVT
A
1 point for - CA - paralysis or plaster - recent bedridden - local tnederness - leg swollen - pitting edema unilat. - collateral superficial veins minus 2 for better diagnosis
5
Q
tests for DVT
A
- D-dimer
- US doppler - best
- CT
- MRV
6
Q
when is D-dimer useful
A
when neg - rule out
7
Q
2 mgmt options for DVT
A
- LMWH
- start warfarin at the same time - fondaparinux
8
Q
other potential options
A
rivaroxiban
9
Q
how long to anti-coag
A
3 months, and 6 if unprovoked
10
Q
classic triad of PE
A
- pleuritic chest pain
- hemoptysis
- dyspnea
11
Q
what are PE rule out criteria (PERC) 8
A
- age 94
- no Hx
- no recent surg
- no hemotysis
- no E use
- no clincial Sx
12
Q
when to use PERC
A
only in low risk groups
13
Q
2 tests to help rule out other caues
A
ECG and CXR
14
Q
classic ECG sign of PE
A
S1Q3T3
deep S in 1
deep Q in 3
inverted T in 3
15
Q
2 CXR signs of PE
A
hamptons hump
watermark sign
