7.1 Specimen collection for Secondary Hemostasis Flashcards
Anticoagulant for SH?
0.109 M Sodium Citrate
ratio for Sodium Citrate anticoagulant?
1 citrate : 9 blood
Adjustment for patients with elevated hematocrit (≥ ___%)
55
Formula for the adjustment of anticoag?
(1.85 x 10^3) (100-Hct) V
Centrifugation for PPP = RCF: ______ x g for __ mins
1500
15
Specimen for PTs should be stored between 15-25°C and tested within ___hrs after collection
24
Specimen for APTTs should be stored between 15-25°C and tested within _hrs after collection
4
Hematocrit is inversely proportional to plasma
T or F
T
If specimens were not tested within 24hrs (PT), 4hrs (APTT) there are clotting factors that will deteriorate termed as:
What are the labile factors?
Factor V
Factor VIII
If specimens were not tested within 24hrs (PT), 4hrs (APTT) there are clotting factors that will deteriorate termed as:
What are the Cold Activated clotting factors??
VII and XI
Underfilled
a. Falsely prolonged
b. Falsely shortened
a
Lipemic
a. Falsely prolonged
b. Falsely shortened
a
Clotted Sample
a. Falsely prolonged
b. Falsely shortened
b
Hemolyzed
a. Falsely prolonged
b. Falsely shortened
b
Incorrect storage temp
a. Falsely prolonged
b. Falsely shortened
a
