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Chapter 34: Problem 252

When delegating blood pressure measurement to an unlicensed assistant, the nurse cautions that correct technique must be used to avoid obtaining false high blood pressures. Which errors in technique should be identified as the potential causes of false high blood pressures? Mark all that apply. A. __Use of an unsupported limb to take the blood pressure B. __Use of a cuff that is too wide. C. _ Immediate reinflation of the cuff D. _ Too rapid deflation of the cuff E. __Uneven application of the cuff

Short Answer

Expert verified
A, C, E

Step by step solution

01

- Read the Question Carefully

Identify that the task is to find errors leading to falsely high blood pressures when measuring.
02

- Understand Factors Affecting Blood Pressure Measurement

Review common factors that can lead to incorrect blood pressure readings. Errors include using an unsupported limb, incorrect cuff size, reinflation, deflation speed, and cuff application.
03

- Evaluate Each Given Option

Analyze each option to determine if it could cause a false high reading: A. Unsupported limb can cause stress and higher readings. B. Cuff that is too wide generally leads to a false low, not high, reading. C. Immediate reinflation can cause artificially high readings. D. Too rapid deflation can cause inaccurate readings but is more likely to lead to a false low. E. Uneven application can result in inaccurate readings, potentially high or low.
04

- Identify Correct Options

Select the errors causing false high readings: A (Unsupported limb), C (Immediate reinflation), and E (Uneven application).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Blood Pressure Technique
Accurate blood pressure measurement is essential in clinical settings. Errors in technique can lead to incorrect readings, impacting patient care. When it comes to measuring blood pressure, several factors should be considered to ensure accuracy:
  • Use an appropriately sized cuff. A cuff too wide or too narrow can result in incorrect readings.
  • Apply the cuff evenly on the patient's arm. Uneven application can lead to falsely high or low measurements.
  • Keep the limb supported. Holding the limb unsupported may cause stress and higher readings.
  • Avoid immediate reinflation of the cuff, as this can lead to artificially high blood pressure readings.
  • Deflate the cuff at a moderate speed. Too rapid deflation can cause inaccuracies, often leading to a false low result.

Understanding these techniques and using them properly is crucial for accurate blood pressure measurements.
Nursing Delegation
Delegating tasks such as blood pressure measurement to unlicensed aides is common in healthcare. However, clear guidelines are essential:
  • Provide thorough training on proper blood pressure measurement techniques.
  • Emphasize the importance of accurate readings for patient care.
  • Supervise periodically to ensure that correct techniques are being followed.
  • Highlight common errors, such as the use of unsupported limbs and immediate cuff reinflation, which can lead to false high readings.

By ensuring that unlicensed assistants understand and follow proper techniques, nurses can improve the accuracy of blood pressure measurements and the overall quality of patient care.
Clinical Accuracy
Accurate clinical data are crucial for diagnosing and treating patients correctly. For blood pressure measurement, this involves:
  • Confirming the use of the right cuff size and ensuring it is applied correctly.
  • Educating all personnel involved in blood pressure measurement about common pitfalls, such as uneven cuff application and immediate reinflation, which can distort readings.
  • Conducting regular competency checks to maintain high standards.
  • Implementing protocols to follow up on abnormal readings to ensure they are accurate.

These steps help maintain clinical accuracy, ensuring that blood pressure measurements reflect the true health status of the patient and guide appropriate treatments.

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