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41 Cards in this Set
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Platelet Normal Value: |
150 - 400 x 10^9/L 150,000 - 400,000 plts/cumm |
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Platelets <100,000/uL |
Abnormally Low |
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Platelets 30,000-50,000/uL |
Bleeding w/ possible trauma |
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Platelets <30,000/uL |
Spontaneous Bleeding Possible |
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Platelets <5,000/uL |
Severe Spontaneous Bleeding |
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Normal Value for Platelet Adhesiveness (Salzmann) |
26-60% |
Dec in vWD |
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Normal Value for Stefanini Method of CRT |
Clot Retration Appreciable w/in 1 Hr Complete w/in 18-24 Hrs |
3-5 mL of Blood Incubation: 37C |
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Normal Value for MacFarlane Method of CRT |
44-67% |
5 mL of Blood Incubation: 37C for 1 Hr |
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Normal Value for Platelet Estimate |
20-80 Plts/OIF |
Conversion Factor: 20,000 |
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Common Dilution for Manual Plt Count |
1:100 |
Plts <50 = 1:20 Plts >500 = 1:200 *Phase Contrast Microscope |
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In Automation, platelets are enumerated as particles w/ size of |
2-20 fL |
Dec in Platelet Satelitism (Inc WBC Count) |
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Determine ability of platelets to resist pressure |
Capillary Fragility Test/ Tourniquet/ Rumpel Leede's Test |
1. Inflate BP Cuff to point halfway b/w systolic & diastolic pressures (never exceed 100 mmHg) maintain pressure for 5 mins 2. Remove BP Cuff and wait 5-10 mins, before counting patechiae |
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CFT Grading |
1+ Few 2+ Many 3+ Multiple 4+ Confluent |
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Normal Value for Duke Method of Bleeding Time |
2-4 Mins |
Blot Every 30 Secs |
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Normal Value for Ivy Method of Bleeding Time |
3-6 Mins |
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Normal Value for Capillary Blood Method of Clotting Time |
2-4 Mins |
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Normal Value for Whole Blood/Lee and White |
5-15 Mins |
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Nornal Value for PT |
10-12 Secs |
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Normal Value for APTT |
25-35 Secs |
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Normal Value for Stypven Time |
6-10 Secs |
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Normal Value for Thrombin Time |
10-14 Secs |
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Normal Value for Reptilase Time |
10-15 Secs |
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Hemoglobin |
Birth: 15-20 g/dL Female: 12-26 g/dL Male: 13-18 g/dL |
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Van Slyke Oxygen Capacity Method |
1 g Hgb = 1.34 mL of O2 |
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Chemical Mtd for Hgb: Kennedy's, Wong's |
1 g Hgb = 3.47 mg Iron |
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Rule Of Three: |
3 x RBC = Hgb 3 x Hgb = Hct +/- 3% |
Rules only apply to RBC of Normal Size & Color |
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RBC Count NV: |
Birth: 5.0-6.5 x 10^12/L Male: 4.2-6.0 x 10^12/L Female: 3.6-5.6 x 10^12/L |
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Dilution if the WBC Count is Above 30.0 x 10^9/L |
1:100 1:101 |
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Dilution if WBC Count is 100-300 x 10^9/L |
1:200 1:201 |
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Dilution if WBC Count is Below 3 x 10^9/L |
1:10 1:11 |
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Presence of NRBCs |
Adult: >/= 5 NRBCs/100 WBC Diff Newborn: >/= 10 NRBCs/100 WBC Diff |
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WBC Count NV: |
Adult: 4.0-11.0 x 10^9/L At Birth: 30.0 x 10^9/L Leukocytosis: >11 X 10^9/L |
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Platelet Count NV: |
150,000-450,000/uL 150-400 x 10^9/L |
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Retics Count NV: |
Adult: 0.5-1.5% Newborn: 2-6% |
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Patients Hct Value (%) : Correction Factor (Maturation Time in Days) |
40-45 = 1 35-39 = 1.5 25-34 = 2 15-24 = 2.5 <15 = 3 |
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Reticulocyte Production Index (RPI) Reference Range: |
1 when Hct is 0.45 L/L |
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Eosinophil Count NV: |
50-350 x 10^6/L |
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MCV NV: |
80-100 fL |
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MCH NV: |
27-31 pg |
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MCHC NV: |
31-36% |
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RDW NV: |
11.5-14.5% |
*Expressed numerically as the coefficient of variation percentage |