Flashcards in HEMA LAB - HCT Determination Deck (26):
1
tube used for adam's microhematocrit method
capillary tube
2
tube used for wintrobe
wintrobe tube
3
tube used for haden's modification
calibrated tube
4
tube used for van allen method
tube with bulb
5
tube used for sanford-magath method
calibrated tube, with funnel-like mouth
6
tube used for bray's method
bray's tube
7
anticoagulant for adam's microhematocrit method
heparin in heparinized tube
8
anticoagulant for wintrobe
double oxalate
9
anticoagulant for haden's modification
1.1% sodium oxalatein distilled water
10
anticoagulant for van allen method
1.6% sodium oxalate in distilled water
11
anticoagulant for sanford-magath
1.3% sodium oxalate in distilled water
12
anticoagulant for bray's
heparin
13
normal values for bray's method
M 47vol%
F 42vol%
14
normal values for sanford-magath
M 2.3 mL = 46-48%
F 2.0 mL = 40-42%
15
Automated methods for Hct determination
Coulter method
Autoanalyzer
16
normal values for Adam's Microhematocrit method
M 40 - 54% or 0.40 - 0.54
F 35 - 49% or 0.35 - 0.49%
17
RPM and time for Adam's microhematocrit method
10,000 rpm for 4-5 min
18
RPM and time for Wintrobe method
3000 for 30 min
19
RPM and time for Haden's modification
3000 rpm for 20 min
20
RPM and time for Van Allen
2500 rpm, 15-30 min
21
RPM and time for Sanford-Magath
high speed, 15 min
22
RPM and time for Bray's
none, let stand for 1 hr
23
what happens when there is no mixing of blood in tube prior to hematocrit method
low Hct
24
height of sealing clay in adam's microhematocrit method
3 mm
25
1% hct = ? gm% hgb
0.34gm% hgb
26