The ICU charge nurse will evaluate that teaching about hemodynamic monitoring for a new staff nurse has been effective when the new nurse does which of the following?

Position the limb with the catheter insertion site at the level of the transducer.

Positions the transducer level with the phlebostatic axis.

Ensures that the patient is lying with the head of the bed flat for all readings.

Balances and calibrates the hemodynamic monitoring equipment every hour.

Answer and Explanation

The Correct Answer is B

Positioning the transducer level with the phlebostatic axis is a crucial step in accurate hemodynamic monitoring. The phlebostatic axis is an imaginary reference point located at the fourth intercostal space, mid-anterior/posterior chest. Placing the transducer at this level ensures that the pressure measurements obtained are reflective of the patient's true hemodynamic status.
A. Positioning the limb with the catheter insertion site at the level of the transducer in (option A) is incorrect because: While it is important to position the limb appropriately to avoid kinks or occlusions in the catheter tubing, this is not directly related to the accurate measurement of hemodynamic parameters.
C. Ensuring that the patient is lying with the head of the bed flat for all readings in (option C) is incorrect because The position of the patient's head does not directly impact the accuracy of hemodynamic monitoring unless it specifically relates to changes in preload or intracranial pressure monitoring.
D. Balancing and calibrating the hemodynamic monitoring equipment every hour in (option D) is incorrect because: While it is important to ensure that the monitoring equipment is calibrated and functioning properly, doing so every hour may not be necessary. Calibration frequency may vary based on institutional policies and patient stability.
Therefore, the correct action that demonstrates effective teaching about hemodynamic monitoring is positioning the transducer level with the phlebostatic axis.

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Correct Answer is A

Explanation

The characteristics described in the monitor strip analysis suggest ventricular tachycardia. The absence of a visible P wave and the wide and distorted QRS complex indicates that the electrical impulse is originating in the ventricles rather than the atria. The ventricular rate of 196 and regular R-R intervals further support the diagnosis of ventricular tachycardia.
B. Atrial fibrillation in (option B) is incorrect because it is characterized by irregularly irregular R-R intervals and the absence of discernible P waves. The QRS complex is typically narrow
C. Atrial tachycardia in (option C) is incorrect because it would have a rapid atrial rate with regular R-R intervals, and P waves may or may not be discernible. The QRS complex is typically narrow.
D. Ventricular fibrillation in (option D) is incorrect because it would present as a chaotic, rapid, and irregular electrical activity with no discernible P waves, QRS complexes, or regular R-R intervals. It is a life-threatening emergency that requires immediate defibrillation.
Therefore, based on the provided information, the nurse would interpret the patient's cardiac rhythm as ventricular tachycardia. However, it is important to note that an accurate interpretation should be made by a qualified healthcare professional, and the patient's clinical context should also be considered.

Correct Answer is ["9"]

Explanation

Doseinmcg/min=2mcg/kg/min×60kg=120mcg/min

Convert this to mg/min since the concentration is in mg:

120mcg/min=0.12mg/min120 \text{ mcg/min} = 0.12 \text{ mg/min}120mcg/min=0.12mg/min
Determine the concentration of Dopamine:
- Total amount of Dopamine: 200 mg in 250 mL of saline
- Concentration:
Concentration=200mg250mL=0.8mg/mL\text{Concentration} = \frac{200 \text{ mg}}{250 \text{ mL}} = 0.8 \text{ mg/mL}Concentration=250mL200mg=0.8mg/mL
Calculate the pump rate in mL/min:

To find the rate in mL/min needed to deliver 0.12 mg/min:

Pumprate=Desireddose(mg/min)Concentration(mg/mL)\text{Pump rate} = \frac{\text{Desired dose (mg/min)}}{\text{Concentration (mg/mL)}}Pumprate=Concentration(mg/mL)Desireddose(mg/min)

Pumprate=0.12mg/min0.8mg/mL=0.15mL/min\text{Pump rate} = \frac{0.12 \text{ mg/min}}{0.8 \text{ mg/mL}} = 0.15 \text{ mL/min}Pumprate=0.8mg/mL0.12mg/min=0.15mL/min
Convert the pump rate to mL/hour:

Multiply by 60 to convert from mL/min to mL/hour:

Pumprate=0.15mL/min×60min/hour=9mL/hour\text{Pump rate} = 0.15 \text{ mL/min} \times 60 \text{ min/hour} = 9 \text{ mL/hour}Pumprate=0.15mL/min×60min/hour=9mL/hour

So, you should set the pump to deliver Dopamine at a rate of 9 mL/hour.

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The ICU charge nurse will evaluate that teaching about hemodynamic monitoring for a new staff nurse has been effective when the new nurse does which of the following?

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Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

Ordered: Dopamine2mcg/kg/min In Stock: 200mg in 250mL Saline Patients weight: 60kg What rate would you set the pump to deliver the ordered medication? (Document to the nearest whole number)

Correct Answer is ["9"]

Explanation

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