Hemodynamic Monitoring Quiz: Trivia

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Hemodynamic Monitoring Quiz: Trivia - Quiz


Hemodynamic monitoring is accomplished with an arterial catheter for continuous blood pressure amounts and a central venous catheter for fluid management and CVP measurements. Hemodynamics is the fluctuating aspect of blood flow. You need to know what hemodynamic monitoring consists of, the purpose of arterial lines, and the best measurement of contractility. This quiz explains the idiosyncrasies of hemodynamic monitoring. Give it a shot.


Questions and Answers
  • 1. 

    Hemodynamic Monitoring consists of:

    • A.

      Non-Invasive

    • B.

      Invasive

    • C.

      Both

    • D.

      None of the above

    Correct Answer
    C. Both
    Explanation
    Hemodynamic monitoring consists of both non-invasive and invasive methods. Non-invasive monitoring involves using external devices to measure and assess parameters such as blood pressure, heart rate, and oxygen saturation without penetrating the body. Invasive monitoring, on the other hand, involves inserting catheters or other devices into the body to directly measure parameters such as central venous pressure, pulmonary artery pressure, and cardiac output. Therefore, both non-invasive and invasive methods are used in hemodynamic monitoring.

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  • 2. 

    Invasive monitoring consists of:

    • A.

      Blood pressure cuff

    • B.

      Arterial and/or pulmonary artery catheter

    • C.

      EKG leads

    • D.

      Mechanical ventilation

    Correct Answer
    B. Arterial and/or pulmonary artery catheter
    Explanation
    Invasive monitoring involves the use of various medical devices to continuously monitor a patient's vital signs and physiological parameters. This includes the use of a blood pressure cuff to measure blood pressure, EKG leads to monitor heart activity, and mechanical ventilation to assist with breathing. However, the key component of invasive monitoring is the arterial and/or pulmonary artery catheter. This catheter is inserted into the artery or pulmonary artery to directly measure blood pressure, oxygen levels, and other important parameters. It provides valuable information about the patient's cardiovascular status and helps guide treatment decisions.

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  • 3. 

    Arterial line insertion sites are:

    • A.

      Brachial

    • B.

      Radial

    • C.

      Internal Jugular

    • D.

      Femoral

    • E.

      Subclavian

    Correct Answer(s)
    A. Brachial
    B. Radial
    D. Femoral
    Explanation
    The correct answer is Brachial, Radial, and Femoral. These are the common sites for arterial line insertion. The brachial artery is located in the upper arm, the radial artery is located in the wrist, and the femoral artery is located in the groin area. These sites are chosen because they provide easy access to the arterial system and are relatively safe for insertion. The internal jugular and subclavian arteries are not typically used for arterial line insertion, as they carry a higher risk of complications.

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  • 4. 

    The purpose of arterial lines is to:

    • A.

      Obtain frequent arterial blood gases

    • B.

      Infuse mediations

    • C.

      Monitor CVP

    • D.

      Monitor blood pressures continuously

    Correct Answer(s)
    A. Obtain frequent arterial blood gases
    D. Monitor blood pressures continuously
    Explanation
    Arterial lines are used to obtain frequent arterial blood gases, which allow healthcare professionals to monitor a patient's oxygen and carbon dioxide levels. Additionally, arterial lines are also used to monitor blood pressures continuously, providing real-time information about a patient's blood pressure. These two purposes make arterial lines an important tool in critical care settings, where close monitoring of a patient's respiratory and circulatory status is necessary.

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  • 5. 

    The purpose of pulmonary artery catheters is to:

    • A.

      Measure cardiac pressures

    • B.

      Infuse Medications

    • C.

      Obtain arterial blood gases

    • D.

      Infuse fluids

    • E.

      None of the above

    Correct Answer(s)
    A. Measure cardiac pressures
    B. Infuse Medications
    D. Infuse fluids
    Explanation
    The purpose of pulmonary artery catheters is to measure cardiac pressures, infuse medications, and infuse fluids. These catheters are inserted into the pulmonary artery and can provide important information about the functioning of the heart, such as the pressures in the chambers and the amount of blood being pumped. They can also be used to administer medications directly into the bloodstream and to infuse fluids when necessary. Therefore, the correct answer includes all three options: measure cardiac pressures, infuse medications, and infuse fluids.

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  • 6. 

    Pulmonary artery catheters may be inserted at which of the following sites:

    • A.

      IJ

    • B.

      Femoral

    • C.

      Radial

    • D.

      Brachial

    • E.

      Subclavian

    Correct Answer(s)
    A. IJ
    B. Femoral
    E. Subclavian
    Explanation
    Pulmonary artery catheters can be inserted at the internal jugular (IJ), femoral, and subclavian sites. These sites are commonly used for the insertion of the catheter to monitor pulmonary artery pressures and cardiac output. The radial and brachial sites are not typically used for the insertion of pulmonary artery catheters.

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  • 7. 

    Which of the following measures left ventricular preload?

    • A.

      SVR

    • B.

      Wedge

    • C.

      CVP

    • D.

      LVSWI

    Correct Answer
    B. Wedge
    Explanation
    The wedge is a measurement obtained during a pulmonary artery catheterization procedure, also known as a Swan-Ganz catheter. It involves inflating a balloon-tipped catheter in a branch of the pulmonary artery to temporarily occlude blood flow. This allows for the measurement of the pressure in the left atrium, which indirectly reflects the left ventricular preload. Therefore, the wedge measurement is used to assess left ventricular preload. SVR (systemic vascular resistance), CVP (central venous pressure), and LVSWI (left ventricular stroke work index) are not direct measures of left ventricular preload.

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  • 8. 

    The bedside RN has obtained cardiac output and reports to you that the cardiac output is 2.0. Is this an abnormal or normal clinical finding?

    • A.

      Normal

    • B.

      Abnormal

    Correct Answer
    B. Abnormal
    Explanation
    A cardiac output of 2.0 is considered abnormal. Normal cardiac output typically ranges from 4.0 to 8.0 liters per minute. A cardiac output of 2.0 indicates a decreased amount of blood being pumped by the heart per minute, which can be a sign of cardiovascular dysfunction or inadequate perfusion to the body's tissues. Further assessment and intervention may be necessary to address this abnormal finding.

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  • 9. 

    Based upon the cardiac output, what interventions should be completed?

    • A.

      Give fluid boluses

    • B.

      Administer lasix

    • C.

      Start dobutamine at 2mcg/kg/min

    • D.

      Increase PEEP

    • E.

      Nothing

    Correct Answer
    C. Start dobutamine at 2mcg/kg/min
    Explanation
    Based on the cardiac output, starting dobutamine at 2mcg/kg/min is the appropriate intervention. Dobutamine is a medication that increases cardiac contractility and therefore improves cardiac output. This intervention is indicated when the cardiac output is low and needs to be improved. The other options, such as giving fluid boluses, administering lasix, or increasing PEEP, may not directly address the issue of low cardiac output. Choosing to do nothing would not address the problem either. Therefore, starting dobutamine at the specified dose is the most suitable intervention in this scenario.

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  • 10. 

    Which is the best measurement of contractility?

    • A.

      CVP

    • B.

      PAWP

    • C.

      LVSWI

    • D.

      CO

    • E.

      RVSWI

    Correct Answer
    C. LVSWI
    Explanation
    LVSWI (left ventricular stroke work index) is the best measurement of contractility because it takes into account both the stroke volume (the amount of blood pumped out of the left ventricle per beat) and the stroke work (the energy required to eject that volume). LVSWI provides a more accurate assessment of the heart's ability to contract and pump blood compared to other measurements such as CVP (central venous pressure), PAWP (pulmonary artery wedge pressure), CO (cardiac output), and RVSWI (right ventricular stroke work index).

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  • 11. 

    Which of the following measures preload?

    • A.

      CVP

    • B.

      SVR

    • C.

      RAP

    • D.

      LVSWI

    • E.

      PAWP

    Correct Answer(s)
    A. CVP
    C. RAP
    E. PAWP
    Explanation
    CVP, RAP, and PAWP measures preload. CVP stands for central venous pressure, which is the pressure in the vena cava near the right atrium of the heart. RAP stands for right atrial pressure, which is the pressure in the right atrium of the heart. PAWP stands for pulmonary artery wedge pressure, which is the pressure in the left atrium of the heart. These measures are used to assess the volume of blood in the heart and the ability of the heart to pump blood effectively. SVR (systemic vascular resistance) and LVSWI (left ventricular stroke work index) are not measures of preload.

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  • 12. 

    The bedside RN reports to you that the patient's CVP is currently 2 and SBP is 70's. Are these normal or abnormal findings?

    • A.

      Normal

    • B.

      Abnormal

    Correct Answer
    B. Abnormal
    Explanation
    A CVP (central venous pressure) of 2 and an SBP (systolic blood pressure) in the 70's are abnormal findings. A normal CVP range is typically between 2 and 6 mmHg, so a value of 2 is on the lower end. Similarly, a normal SBP is usually above 90 mmHg, so a value in the 70's is considered low. These findings may indicate hypovolemia or inadequate fluid volume, which require further assessment and intervention.

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  • 13. 

    Based on the clinical findings, what clinical interventions should be completed?

    • A.

      Start dobutamine

    • B.

      Give 1 liter NS bolus and re-assess CVP

    • C.

      Start nipride

    • D.

      Give digoxin

    Correct Answer
    B. Give 1 liter NS bolus and re-assess CVP
    Explanation
    Based on the clinical findings, the appropriate clinical intervention would be to give 1 liter NS bolus and re-assess CVP. This intervention aims to increase the patient's intravascular volume and assess the central venous pressure (CVP) to determine the effectiveness of the fluid resuscitation. This can help in evaluating the patient's hemodynamic status and guide further management decisions. Starting dobutamine, nipride, or giving digoxin are not indicated based on the information provided.

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  • 14. 

    The bedside RN has just completed hemodynamic numbers. He reports the following: CO 5, CVP 6, PAWP 9, SVR 900, PVR 200, LVSWI 50. Are these normal or abnormal findings?

    • A.

      Normal

    • B.

      Abnormal

    Correct Answer
    A. Normal
    Explanation
    The given hemodynamic numbers indicate normal findings. CO (cardiac output) of 5, CVP (central venous pressure) of 6, PAWP (pulmonary artery wedge pressure) of 9, SVR (systemic vascular resistance) of 900, PVR (pulmonary vascular resistance) of 200, and LVSWI (left ventricular stroke work index) of 50 fall within the normal range. These numbers suggest that the patient's cardiac function and vascular resistance are within normal limits.

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  • 15. 

    Based on the clinical findings, what clinical interventions should be completed?

    • A.

      Give fluid boluses

    • B.

      Start dopamine

    • C.

      Continue to monitor hemodynamics

    • D.

      Start nipride

    • E.

      Give lasix

    Correct Answer
    C. Continue to monitor hemodynamics
    Explanation
    Based on the clinical findings, it is important to continue monitoring hemodynamics. This suggests that the patient's condition requires ongoing observation and assessment of their cardiovascular status. This is crucial in order to detect any changes or abnormalities that may require further intervention or treatment.

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