Patient Care & MRI Safety Flashcards
What is the percentage of reaction from a gadolinium contrast injection?
Less than 1%
What are the methods in which we measure the absorption of radio frequency waves in a patient?
Specific absorption rate
SAR
Amount of RF waves absorbed in W/Kg
What is the medical term referred to as the act of fainting?
Syncope
Influenza and strep throat are considered what type of precaution?
Droplet
What types of patients may require additional monitoring during an MRI procedure?
1- Patients who are hearing impaired.
2- Unresponsive and uncommunicative patients under anesthesia.
3- Sedated psychiatric or pediatric patients.
What combination of metal will produce a larger metal artifact and T2-weighted imaging?
Cobalt and steel
The following is not part of the patients bill of rights
Right to affordable care act 2013
Medical a sepsis refers to the ability to inhibit the growth of ___________ instead of environment.
Microorganisms
Ferromagnetic objects or jewelry are allowed in all of the MRI zones besides
Zone 4
The proper containment of a patient who is airborne precaution is ________ ventilation.
Negative
True or false
The chances of a patient being claustrophobic and canceling the MRI test are extremely rare.
False
The patient has a transdermal Dilaudid patch for pain on her lower back and doesn’t want to remove it. What do you say to them?
You must remove it to negate any chance of burning in that area.
What items are considered to be contraindication for MRI examination?
- Ferrous cerebral aneurysm clip
- Pacemaker
______________ provides all patients under the United States healthcare system the confirmation of personal health information to remain confidential by law.
Health insurance portability and accountability act (HIPAA)
Proper practice in regards to patient monitoring is to __________ Monitor and communicate with all patients.
Visually and verbally
Most vendors call for an ambient room temperature of ____.
69°
The conversion measurement for 10,000 gauss equals _____ Tesla.
1
A ___________ is the second step in infection cycle and is where a pathogen thrives. Humans, pets and hospital equipment are examples.
Reservoir
Some examples of a pathogenic vector are
- Patient
- Patients family member
- Patients service animal
Most vendors call for an ambient room humidity of ____-____%
50 to 70
Radio frequency (RF) burns are common in high resolution imaging due to high gradient amplitudes. To safeguard patients from RF burns which of the following processes should be used
- Keep patients SAR limitations within normal range
- Use elbow pads and vendor provided pads
Radio frequency (RF) shielding is installed to limit
- Zipper artifacts
- Random signals from entering the exam room
- RF waves from exiting the exam room
