Cmt Flashcards
_____: useful screening procedure for EXTRINSIC coagulation mechanism including the common pathway
- monitors oral anticoagulant therapy w/ _____
- facts with _____ to activate _____
- reagents
- combination of phospholipid & protein
- substitute for calcium - RV
- two source of error
- prolonged
- shorten - standardized way of reporting PT in monitoring oral anticoagulant therapy
- Calibration Index
Prothrombin Time
- COUMADIN
- VII; X
3.
- Thromboplastin
- 0.025M Calcium chloride - 10-12s
5.
- heparin contamination
- traumatic phlebotomy - international normalized ratio
- international sensitive index
_____: for detection of factor X deficiency
- aka
1. uses venom from
2. prolonged factor ____
3. normal ______ since it is present in venom
Stypven Time
- Russel Viper Venom Test
1. Vipera russelli
2. X
3. VII
TWO INDERECT TESTS DOR DETECTION OF FAVTOR 1
- _____
- RV
- fibrinogen level is below - ____
- RV
- enzyme from
_____: INDERECT TEST FOR 13 DEFICIENCY
1. aka
2. Reagents (2)
TWO INDERECT TESTS DOR DETECTION OF FAVTOR 1
- Thrombin Time
- 17-25s
- below 75-100mg/dL - Reptilase Test
- 18-20s
- Bothrops atrox snake
Dukert Test
1. 5M Urea Solubility Test
2. 5M urea, 1% monochloroacetic acid
Historical Tests
1. performed on serum
- deficiency in factor (6)or platelets will slow the rate of prothrombin conversion
2. adsorbed plasma/ fresh serum
- by
- uses (2)
3. required recalcification of diluted plasma
- modification of _____
- Prothrombin Consumption Tim
- 5,8,9,10,11,12 - Thromboplastin Generation Time
- Biggs & Douglas
- Barium Sulfate/ Aluminum Hydroxide - Hicks-Pitney Test
- TGT
Automation in Hemostasis
_____: stops assessing blood sample when there’s clot formation
1. uses _____ = semi-automated mechanical instrument
that detects fibrin strand formation using wire loop/hook
____: depends on the increase in light scattering
1. give 2 semi-automated instruments
2. give 2 automated instruments:
ELECTROMECHANICAL
1. Fibrinometer
PHOTO-OPTICAL
1. Electra 750 & 750A, Fibrintimer series
2. Coag-A-Mate X2 and XC;
MLA Electra 700 and 800
_______: performed when APTT & PT are prolonged
- to determine whether it is caused by (3)
- if test DOES NOT REQUIRE (remains prolonged) when normal plasma:
- if repeated test is CORRECTED when mixed w/ normal plasma:
Substitution Test/ Mixing Studies
- NONSPECIFIC INHIBITOR; SPECIFIC FACTOR INHIBITOR; COAGULATION FACTOR DEFICIENCY
- presence of pathological circulating anticoagulant
- identification of deficient factor
FACTORS ABSENT
- Fresh Plasma
- Aged/ Stored Plasma
- Barium Sulfate Adsorbed Plasma
- NONE
- V, VIII
- II, VII, IX, X
FACTORS ABSENT
- Fresh Serum
- Aged/ Stored Serum
- Adsorbed Serum
- I, V, VIII, XIII
- I, II, V, VIII, XIII
- I, II, V, VII, VIII, IX, X, XIII