Radiography Essentials and Patient Safety

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Questions and Answers

What is the addition of the filtration within the x-ray tube designed to block?

Low energy from reaching the patient

What type of personal dosimeter uses aluminum oxide as the absorbing material?

OSL - Optical Stimulable Luminescent Dosimeter

What effect does adding more half value layer (HVL) have on the quality of the x-ray beam?

Increased quality

The part of the lung that rests on the diaphragm is termed the?

<p>Base</p> Signup and view all the answers

What is the portion of the lung that extends superior to the level of the clavicle called?

<p>Apex (Apices)</p> Signup and view all the answers

According to the American Hospital AHA patient care partnership, which of the following are rights of the patients? (Select all that apply)

<p>To know if a student is performing radiographic exams (A), High quality hospital care (B), Help with billing claims (C)</p> Signup and view all the answers

What is the error called when a radiograph is acquired with a source to image distance (SID) that is not appropriate for the grid?

<p>Off Focused error</p> Signup and view all the answers

What emergency medication can be administered intravenously if a patient develops pulmonary edema after administration of contrast media?

<p>Lasix</p> Signup and view all the answers

Benadryl is administered for?

<p>Hives / allergic reaction</p> Signup and view all the answers

Atropine is administered for?

<p>Hypotension</p> Signup and view all the answers

Epinephrine is administered for?

<p>Hypotension with tachycardia, diffuse erythema, bronchospasm, laryngeal edema, or unresponsive patient</p> Signup and view all the answers

A medical x-ray tube must include aluminum equivalent filtration equal to a minimum of?

<p>2.5 mm</p> Signup and view all the answers

What is the correct medical abbreviation for 'as desired'?

<p>Ad lib</p> Signup and view all the answers

Prn means?

<p>As needed</p> Signup and view all the answers

Which following components are required for an infection to survive and to be transmitted? (Select all that apply)

<p>A favorable environment for microorganisms to grow (A), Pathogen (B), Exogenous or endogenous transmission (C)</p> Signup and view all the answers

Why is lead the most effective material in protective barriers?

<p>Its high atomic number allows for greater absorption of radiation than other materials</p> Signup and view all the answers

What is the CR entrance point for an ERECT AP abdomen projection?

<p>Mid sagittal plane, 2 inches superior to the level of crest</p> Signup and view all the answers

Walls that are considered to be secondary barriers should be?

<p>0.8 mm of lead thickness and be 2.1 meters (7 feet tall)</p> Signup and view all the answers

What is peristalsis?

<p>Rhythmic contractile waves which propel material through a tubular organ</p> Signup and view all the answers

What is the annual effective dose limit for a radiographer?

<p>50 Millisieverts (mSv)</p> Signup and view all the answers

When is it acceptable for a radiographer to stand in the path of the primary beam?

<p>False (B)</p> Signup and view all the answers

For informed consent to be considered legal, which of the following conditions must be met? (Select all that apply)

<p>Legal age (B), Patient must give consent voluntarily (C), The patient must be mentally competent (D)</p> Signup and view all the answers

What is paralanguage?

<p>Term that relates to the sound of speech rather than the content of the spoken message</p> Signup and view all the answers

How can paralanguage be used to improve the quality of communication with one's patient?

<p>Make sure to speak distinctly when giving instruction for positioning</p> Signup and view all the answers

Which projection best demonstrates the zygapophyseal joints of the cervical spine?

<p>Lateral</p> Signup and view all the answers

What layer of the computed radiography CR imaging plate captures and stores x-ray photons transmitted through the patient?

<p>Phosphor layer</p> Signup and view all the answers

Leaving patient billing statements in the open is a violation of HIPAA.

<p>True (A)</p> Signup and view all the answers

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Study Notes

X-Ray Filtration and Patient Safety

  • Filtration in x-ray tubes blocks low-energy rays to protect patients from unnecessary exposure.
  • Medical x-ray tubes require a minimum aluminum equivalent filtration of 2.5 mm.

Dosimetry and Radiation Protection

  • Optical Stimulable Luminescent Dosimeter (OSL) uses aluminum oxide for measuring radiation exposure.
  • The annual effective dose limit for a radiographer is set at 50 millisieverts (mSv).

X-Ray Beam Quality

  • Increasing the half value layer (HVL) enhances the quality of the x-ray beam.

Lung Anatomy

  • The lung's base rests on the diaphragm, while the apex extends above the clavicle.

Patient Rights Under AHA Partnership

  • Patients are entitled to high-quality care, a safe environment, privacy protection, and assistance with billing.
  • They should also be informed about students conducting exams and the risks and benefits of treatments.

Radiographic Equipment and Errors

  • Off-focused error occurs when the source to image distance (SID) used is not compatible with the grid design (e.g., 42 inches instead of a recommended 50-72 inches).

Emergency Medications

  • Lasix is used for treating pulmonary edema when conservative treatments fail.
  • Benadryl is used for allergic reactions and hives.
  • Atropine is administered for hypotension and bradycardia.
  • Epinephrine is indicated for severe hypotension with tachycardia and other severe allergic reactions.

Infection Transmission

  • Infection requires a pathogen, a favorable environment for growth, and methods of transmission either exogenous or endogenous.

Protective Barriers in Radiology

  • Protective walls classified as secondary barriers must have a lead thickness of 0.8 mm and stand 2.1 meters (7 feet) high to block leakage and scatter radiation.
  • Lead is the most effective material for protective barriers due to its high atomic number.

Radiographic Procedures

  • The central ray (CR) for an erect AP abdomen projection is positioned at the mid-sagittal plane, 2 inches above the iliac crest.
  • The lateral projection is optimal for visualizing the zygapophyseal joints of the cervical spine.
  • Informed consent requires the patient to be mentally competent, of legal age, voluntarily consenting, and adequately informed about the procedure.

Communication Skills in Radiology

  • Paralanguage refers to the vocal aspects of communication, including speech tone and volume, which can enhance interaction quality with patients.
  • Clear, distinct speech is crucial for giving effective instructions for patient positioning.

Privacy Violations

  • Leaving patient billing statements exposed constitutes a violation of HIPAA regulations.

Imaging Technology

  • The phosphor layer of the computed radiography (CR) imaging plate captures and stores x-ray photons that pass through the patient.

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