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ARDMS RVT Review exam Questions and Answers (2022/2023) (Verified Answers)
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ARDMS RVT Review exam Questions and Answers (2022/2023) (Verified Answers)
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ARDMS RVT Review exam1. 3 causes of venous thrombosis also called, Virchow's Triad: Answer-
Venous stasis, trauma/endothelial damage, hypercoagulability
2. Venous stasis: Answer- Slowed blood flow in veins. Caused by
immobility, myocardial infarction, CHF, hypotension, COPD, obesity,
pregnancy, previous DVT, extrinsic compression, SVC syndrome,
paraplegia, surgery associated conditions.
3. 2 types of Trauma/endothelial damage: Answer- Intrinsic and extrinsic
4. Intrinsic trauma is: Answer- Damage to the vessel wall from
intravenous drugs or a catheter. Increased use of PICC line results in
higher incidence of upper extremity thrombus, usually developing at
most proximal portion of PICC line.
5. Extrinsic trauma is: Answer- Damage caused by an accident, which
can occur at any site of the body.
6. Hypercoagulability is associated with: Answer- Pregnancy, cancer,
oral contracep- tives and/or hormone replacement therapy, inherited
states,e.g., factor V Leiden or protein C, protein S, or Antithrombin III
deficiency
7. Sensitivity, and How to calculate?: Answer- Ability of a test to detect
disease, how many tests are correctly called positive.
- # of true positives divided by # of all positive tests by gold standard,
1/
, or TP/TP+FN
8. Specificity, and how to calculate?: Answer- -Ability of a test to identify
normality, or how many results were correctly called negative.
- # of true negative divided by # of all negative tests by gold standard,
or TN/TN+FP
9. Positive predictive value, and how to calculate?: -percentage of test
results that accurately predict abnormality, or what % correctly
predicted disease.
- # of true positive test divided by # of all positive tests, or TP/TP+FP
10.Negative predictive value, and how to calculate?: - percentage of
test results that accurately predict normality, or what % correctly
predicted absence of disease.
- # of true negatives divided by # of all negative tests, or TN/TN+FN
11.Accuracy, and how to calculate?: - % of correct tests, or how well
does the test both detect and rule out disease.
- total # of correct tests divided by total # of all tests, or
TP+TN/TP+FP+FN+TN
12.Brachiocephalic/ Innominate vien formed from confluence of?:
Sub- clavien and Internal jugular vein
13.Vascular disease more common in women?: Takayasu's arteritis-
tennage to young women more common.
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