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Flashcards in Lab Values Deck (49)
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1
Q

What is the normal range for systemic vascular resistance?

A

900-1400 dynes/sec/cm-5

2
Q

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

A

100-108 mEg/L

3
Q

Where should the tip of a central venous catheter terminate?

A

Superior vena cava or other large vessel

4
Q

What is the normal range for mean arterial pressure?

A

65-100 mmHg

5
Q

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

A

60-90 mmHg

6
Q

What is a normal range for hemoglobin (Hgb)?

A

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

7
Q

What is the normal range for lipase?

A

3-19 U/L

8
Q

What is a normal range for platelets?

A

150,000-400,000/microliter

9
Q

List electrolytes that are cations.

A

Sodium, potassium, magnesium, and calcium

10
Q

What is the normal right atrial pressure?

A

Less than 8 mmHg

11
Q

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

A

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

12
Q

When does troponin peak after myocardial infarction?

A

12-16 hours

13
Q

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

A

3-5 cc

14
Q

Patients not on Coumadin should have what expected INR value?

A

1

15
Q

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

A

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

16
Q

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

A

14

17
Q

Which creatine kinase isoenzyme is specifically produced in the heart?

A

CK-MB

18
Q

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

A

90-140 mmHg

19
Q

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

A

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

20
Q

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

A

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

21
Q

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

A

Creatine kinase (CK)

22
Q

What is the normal range for stroke volume?

A

60-120 mL/beat

23
Q

What is the normal range for cardiac index?

A

2.5-4 L/min/m2

24
Q

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

A

8-25 mg/dL

25
Q

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

A

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

26
Q

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

A

3.5-5.0 mEg/L

27
Q

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

A

4500-11,000/mm3

28
Q

What is the normal range for central venous pressure?

A

2-8 mmHg

29
Q

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

A

0-8 mmHg

30
Q

What is a normal range for amylase?

A

53-123 U/L

31
Q

D-dimer is helpful in predicting what conditions?

A

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

32
Q

What is the normal range for ammonia?

A

10-80 mcg/dL

33
Q

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

A

135-145 mEq/L

34
Q

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

A

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

35
Q

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

A

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

36
Q

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

A

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

37
Q

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

A

Port-a-cath or Mediport

38
Q

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

A

1.7-2.3 mEq/L

39
Q

What is the range for normal pulmonary artery pressure?

A

15-30 mmHg

40
Q

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

A

4.3-5.3 mEq/L

41
Q

What are the accepted sites for an arterial catheter?

A

Radial, brachial, or femoral arteries

42
Q

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

A

Anemia

43
Q

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

A

24-30 mEq/L

44
Q

What is the range for normal pulmonary artery wedge pressure?

A

8-12 mmHg

45
Q

What is a normal value for serum creatinine?

A

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

46
Q

What is the normal range for right ventricular systolic pressure?

A

15-30 mmHg

47
Q

What is the normal range for cardiac output?

A

4-8 L/min

48
Q

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

A

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

49
Q

List electrolytes that are anions.

A

Chloride, bicarbonate, phosphate