Nursing - Lab Values (NCLEX)

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63 Terms

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RBC

4-6 million/uL

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WBC

5000-10000/uL

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Platelets

150,000-400,000/ cu mm

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HgB Males (Hemoglobin)

14-18 g/dL

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HgB Females (Hemoglobin)

12-16 g/dL

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Hct (male)

42-52%

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Hct (female)

37-47%

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PT (prothrombin time)

10-12 seconds

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PTT (partial thromboplastin time)

20 - 30 seconds, if not on anticoagulants.

Critical: >100 (Indicates spontaneous bleeding)

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aPTT (activated partial thromboplastin time)

30-40 seconds. If on heparin (1.5-2.5x normal range): 46-70 seconds

Critical: >70 (Indicates spontaneous bleeding)

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INR

0.9-1.2. If on warfarin, 2-3

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INR (international normalized ratio) is used to monitor

how well warfarin is working

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Blood glucose

70-100 mg/dL (3.9-7.2 mmol)

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Blood glucose after a meal (No DM)

<140 (7.8 mmol)

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Blood glucose after a meal (With DM)

<180 (10 mmol)

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Sodium (Na)

135-145 mEq/L

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Calcium (Ca)

9-10.5 mg/dL

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Potassium (K+)

3.5-5.0 mEq/L

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Chloride (Cl)

95-105 mEq/L

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Magnesium (Mg)

1.5-2.5 mEq/L

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Phosphorous (PO4)

2.5-4.5 mEq/L

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Glucose

70-110 mg/dL

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What are renal labs?

BUN, Cr, and GFR

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BUN

10-20 mg/dL

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Creatinine

0.6-1.2 mg/dL

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Glomerular Filtration Rate (GFR)

>90 mL/min

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What is included in a liver function tests (LFTs)

Made by Liver: ALP, AST, ALT,

Excreted by Liver: Bilirubin, Ammonia,

Goes DOWN when there is an issue with the Liver: Total Protein, Albumin

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Alkaline Phosphatase (ALP)

30-120 units/L

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Aspartate aminotransferase (AST)

0-35 units/L

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Alanine aminotransferase (ALT)

4-36 units/L

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Bilirubin

<1

an orange-yellow pigment formed in the liver and excreted in bile.

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Ammonia

15-110 mg/dL

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Total Protein

6.4-8.3 g/dL

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Albumin

3.5-5

protein in blood that maintains the proper amount of water in the blood

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Cardiac Labs

Troponin, BNP, CPK, CPK-MB, Myoglobin,

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Troponin

0-0.4 ng/mL

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Troponin helps

Helps detect heart injury

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BNP

<100 pg/mL

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BNP helps

Test for CHF

When there is fluid retention -> BNP is released

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Creatinine phosphokinase (CPK)

(Male)

55-170 IU/I

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Creatinine phosphokinase (CPK)

(Female)

30-135 IU/I

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Cardiac Cell Isoenzyme (CPK-MB)

0%

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Myoglobin (Male)

10 - 95 ng/ml

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Myoglobin (Female)

10-65 ng/mL

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Total Cholesterol

<200 mg/dL

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LDL (low density lipoprotein)

<130 mg/dL

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HDL (High Density Lipoprotein)

>60 mg/dL

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Triglycerides

<160 mg/dL

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Hgb A1C

Normal: 4-6%

> 7% Poor control of diabetes

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Thyroid Panel

TSH, T4, T3

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Thyroid Stimulating Hormone (TSH)

0.5-5 milli-IU/L

Stimulates secretion from thyroid gland

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Serum Thyroxine (T4)

5-12 ng/dL

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Serum Triiodothyronine (T3)

70-220 ng/dL

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D-dimer

>500 ng/mL

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CRP (C-reactive protein)

<1 mg/dL

A substance produced by the liver that increases in the presence of inflammation in the body.

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Urine Specific Gravity

1.005-1.030

Increase = Fluid deficit/dehydration

Decrease = Dilute Urine

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Osmolarity of urine

300-900

Increase = Dehydration

Decrease = Dilute Urine

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ABG pH

7.35-7.45

<7.35 = acidosis

>7.45 = alkalosis

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ABG Bicarbonate (HCO3-)

22-26

<22 = acidosis

>26 = alkalosis

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ABG PaCO2

35 -45 mm Hg

<35 = alkalosis

>45= acidosis

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SpO2

Normal:95-100%

>90% for COPD patients

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What is antidote for warfarin?

Vitamin K -> INR (2-3) - Slow onset

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What is antidote for heparin?

protamine sulfate -> aPTT (47-70)