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NPTE > Cardiopulm Lab Tests/ values > Flashcards

Cardiopulm Lab Tests/ values Flashcards

1
Q

Measure of ventilation

A

PaCO2

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2
Q

Normal pH

A

7.35-7.45

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3
Q

Normal PaCO2

A

35-45 mmHg

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4
Q

Normal PaO2

A

80-100 mmHg

normal 97

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5
Q

Normal HCO3 (bicarbonate)

A

22-26 mEq/L

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6
Q

ABG results written/spoken in this order:

A

pH/ PaCO2/ PaO2/ HCO3

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7
Q

Eucapnia

A

PaCO2 level normal

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8
Q

Hypercapnia/ Hypocapnia

A

Abnormal PaCO2 level

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9
Q

Mild/moderate/severe Hypoxemia

A

Mild: 60-79 PaO2/ SaO2 90-95%
Mod: 40-59 PaO2/ SaO2 60-90%
Severe: <40 PaO2/ SaO2 <60%

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10
Q

Hypoxemia vs. Hypoxia

A

Hypoxemia: Low levels of O2 in blood
Hypoxia: Low levels of O2 in tissue (despite adequate perfusion of the tissue)

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11
Q

Markers for MI

A

CK-MB (appears 4 hrs after MI, peaks in 12-24 hours, declines over 72 hours)
Troponin (remains elevated 5-7 days)

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12
Q

Triglycerides

A

Body converts any calories it doesn’t need to use right away into triglycerides, which are stored in adipose tissue

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13
Q

Hematocrit

A

% of RBCs in total blood volume
Normal:
0.39 - 0.46 (males)
0.35 - 0.44 (females)

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14
Q

Hyperventilation

A

PaCO2 < 30

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15
Q

Hypoventilation

A

PaCO2 > 50 (ventilatory failure)

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16
Q

Respiratory acidosis

A

pH < 7.4

PaCO2 > 45

17
Q

Respiratory alkalosis

A

pH > 7.4

PaCO2 < 35

18
Q

Hemoglobin

A

Normal:
13.3-16.2 (male)
12-15.8 (female)

19
Q

Normal Cholesterol

A

Total <200
LDL <100
Triglyceride <150
HDL 40-60

20
Q

Absolute indications for terminating an exercise test:

A
  • Drop in SBP >10 from baseline with other evidence of ischemia
  • Moderately severe angina (3-4/4)
  • Increasing neuro symptoms (ataxia, dizziness)
  • Signs of poor perfusion (cyanosis, pallor)
  • Sustained v-tach
  • 1.0 mm ST elevation in leads without diagnostic Q waves
21
Q

Relative indications for terminating an exercise test:

A
  • Drop in SBP >10 without other evidence of ischemia
  • > 2 mm ST segment depression
  • PVCs, nodal tachycardia, heart block, bradycardia
  • Fatigue, SOB, wheezing, leg cramps, claudication
  • BBB or IV conduction delay
  • Increasing chest pain
  • SBP >250 and/or DBP > 115

NPTE (24 decks)

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