Lab Values Flashcards by Zackery Hatch

What is the normal range for systemic vascular resistance?

900-1400 dynes/sec/cm-5

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What is the normal range for serum chloride (Cl-)?

100-108 mEg/L

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Where should the tip of a central venous catheter terminate?

Superior vena cava or other large vessel

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What is the normal range for mean arterial pressure?

65-100 mmHg

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What is the normal range for an arterial diastolic blood pressure?

60-90 mmHg

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What is a normal range for hemoglobin (Hgb)?

Male: 13-18 g/100mL Female: 12-16 g/100mL

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What is the normal range for lipase?

3-19 U/L

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What is a normal range for platelets?

150,000-400,000/microliter

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List electrolytes that are cations.

Sodium, potassium, magnesium, and calcium

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What is the normal right atrial pressure?

Less than 8 mmHg

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What are appropriate sites for capillary collection of a blood sample?

Lateral aspects of the heel or great toe and the finger tips

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When does troponin peak after myocardial infarction?

12-16 hours

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How much blood must be wasted prior to obtaining a venous sample from an intermittent infusion catheter or heplock?

3-5 cc

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Patients not on Coumadin should have what expected INR value?

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i-STAT reveals a K+ 2.0. What is this high or low value called and what are some causes?

Hypokalemia caused by diuretics, inadequate oral intake, high doses of steroids, metabolic alkalosis

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i-STAT provides the following values: Na+ 142, K+ 4, Cl- 105, HCO3 27. Calculate the anion gap.

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Which creatine kinase isoenzyme is specifically produced in the heart?

CK-MB

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What is the normal range for an arterial systolic blood pressure?

90-140 mmHg

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i-STAT reveals a Na+ 165. What is this high or low value called and what are some causes?

Hypernatremia caused from dehydration, excessive saline administration, impaired renal function, diabetes insipidus, HHNS

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What should the critical care paramedic anticipate to reverse elevated partial thromboplastin time (PTT)?

Decrease or discontinue heparin, administer protamine and transfuse fresh frozen plasma as necessary

Which cardiac enzyme is the first to rise after an acute myocardial infarction?

Creatine kinase (CK)

What is the normal range for stroke volume?

60-120 mL/beat

What is the normal range for cardiac index?

2.5-4 L/min/m2

What is a normal value for blood urea nitrogen (BUN)?

8-25 mg/dL

What should the critical care paramedic anticipate to reverse elevated protime (PT)?

Administration of Vitamin K, transfusion of fresh frozen plasma, and withhold Coumadin

What is the normal range for serum potassium (K+)?

3.5-5.0 mEg/L

What is a normal range for white blood cell count (WBC)?

4500-11,000/mm3

What is the normal range for central venous pressure?

2-8 mmHg

What is the normal range for right ventricular end-diastolic pressure?

0-8 mmHg

What is a normal range for amylase?

53-123 U/L

D-dimer is helpful in predicting what conditions?

Those warranting degradation products of cross-linked fibrin such as deep vein thrombosis (DVT), pulmonary embolism (PE), disseminated intravascular coagulation (DIC), abruptio placentae

What is the normal range for ammonia?

10-80 mcg/dL

What is the normal range for serum sodium (Na+)?

135-145 mEq/L

i-STAT reveals a BUN 67. Is this value low or high and what are some causes?

High caused from renal disease, kidney damage, dehydration, shock, congestive heart failure, gastrointestinal bleeding

i-STAT reveals a Na+ 130. What is this high or low value called and what are some causes?

Hyponatremia caused from overhydration, vomiting, diarrhea, sweating, GI suctioning, diuretics, renal disease, hepatic failure, adrenal insufficency, SIADH, heart failure, psychogenic polydipsia

What three coagulation studies are commonly of most concern in critical care transport?

Prothrombin time (PT), partial thromboplastin time (PTT), and Internationalized Normalized Ratio (INR)

What venous access device is surgically implanted in the subcutaneous tissue and terminates in the superior vena cava?

Port-a-cath or Mediport

What is a normal range for serum magnesium (Mg++)?

1.7-2.3 mEq/L

What is the range for normal pulmonary artery pressure?

15-30 mmHg

What is a normal range for serum calcium (Ca++)?

4.3-5.3 mEq/L

What are the accepted sites for an arterial catheter?

Radial, brachial, or femoral arteries

i-STAT reveals a Hgb 6.9. This is called what?

Anemia

What is the normal range for serum carbon dioxide (CO2)?

24-30 mEq/L

What is the range for normal pulmonary artery wedge pressure?

8-12 mmHg

What is a normal value for serum creatinine?

Male: 0.6-1.4 mg/dL Female: 0.6-1.1 mg/dL

What is the normal range for right ventricular systolic pressure?

15-30 mmHg

What is the normal range for cardiac output?

4-8 L/min

i-STAT reveals a K+ 7.2. What is this high or low value called and what are some causes?

Hyperkalemia caused by renal failure, tissue damage, metabolic acidosis, false high reading from hemolyzed specimen (consider redraw)

List electrolytes that are anions.

Chloride, bicarbonate, phosphate