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RVT ARDMS exam review with complete solutions 2024_2025.
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RVT ARDMS exam review with complete solutions 2024_2025.
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RVT ARDMS exam review with completesolutions 2024/2025
3 causes of venous thrombosis also called, Virchow's Triad - ANSWER-Venous
stasis, trauma/endothelial damage, hypercoagulability
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.
2 types of Trauma/endothelial damage - ANSWER-Intrinsic and extrinsic
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.
Extrinsic trauma is - ANSWER-Damage caused by an accident, which can occur
at any site of the body.
Hypercoagulability is associated with - ANSWER-Pregnancy, cancer, oral
contraceptives and/or hormone replacement therapy, inherited states,e.g., factor
V Leiden or protein C, protein S, or Antithrombin III deficiency
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, or
TP/TP+FN
, 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
Positive predictive value, and how to calculate? - ANSWER--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
Negative predictive value, and how to calculate? - ANSWER-- 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
Accuracy, and how to calculate? - ANSWER-- % 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
Brachiocephalic/ Innominate vien formed from confluence of? - ANSWER-
Subclavien and Internal jugular vein
Vascular disease more common in women? - ANSWER-Takayasu's arteritis-
tennage to young women more common.
FMD- younger women.
Celiac band syndrome- young athletic women.
Vascular disease more common in men? - ANSWER-Obliteritis angitis(bergers
disease)- younger <40 men, heavy smokers.
Popliteal artery entrapment syndrome- young athletic men.
Celiac artery supplies blood to what organs? - ANSWER-Stomach, liver,
pancreas, duodenum, and spleen.
Celiac artery branches into? - ANSWER-Left gastric, splenic, common hepatic
arteries.
SMA supplies blood to what organs? - ANSWER-Small intestine, cecum,
ascending colon, part of transverse colon.
SMA location? - ANSWER-1cm distal to celiac artery.
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