Podcast
Questions and Answers
Why is it important for patients to avoid wearing metal objects during a CT scan?
Why is it important for patients to avoid wearing metal objects during a CT scan?
- Metal objects can become magnetized and pose a risk to the patient.
- Metal objects can cause discomfort to the patient during the scan.
- Metal objects interfere with the CT scanner's functionality.
- Metal objects may affect the CT images, causing artifacts and reducing image quality. (correct)
A patient is scheduled for a CT scan with contrast. Which instruction regarding food and drink intake is most appropriate?
A patient is scheduled for a CT scan with contrast. Which instruction regarding food and drink intake is most appropriate?
- The patient should avoid food for 3-4 hours before the scan and caffeine for 12 hours. (correct)
- The patient should avoid food for 24 hours before the scan and maintain their regular caffeine intake.
- The patient should fast for 12 hours before the scan and avoid any medications.
- The patient can eat a light meal up to 2 hours before the scan but should avoid any liquids.
Why is breath-hold instruction a crucial part of CT scan preparation?
Why is breath-hold instruction a crucial part of CT scan preparation?
- To reduce radiation exposure to the patient.
- To ensure patient comfort during the scanning process.
- To minimize motion artifacts and improve image quality. (correct)
- To regulate the patient's heart rate during the procedure.
For which type of CT scan is electrocardiogram (ECG) gating most likely required?
For which type of CT scan is electrocardiogram (ECG) gating most likely required?
A breastfeeding mother is scheduled for a CT scan with contrast. What instruction should she receive regarding breastfeeding?
A breastfeeding mother is scheduled for a CT scan with contrast. What instruction should she receive regarding breastfeeding?
A patient taking metformin is scheduled for a CT scan with contrast. What specific instruction regarding metformin usage is usually given?
A patient taking metformin is scheduled for a CT scan with contrast. What specific instruction regarding metformin usage is usually given?
Which of the following is the MOST important reason for controlling a patient's heart rate prior to a cardiac CT scan?
Which of the following is the MOST important reason for controlling a patient's heart rate prior to a cardiac CT scan?
Why are patients often asked to change into a gown prior to a CT scan?
Why are patients often asked to change into a gown prior to a CT scan?
What is the primary purpose of checking for contraindications before performing a CT angiography (CTA)?
What is the primary purpose of checking for contraindications before performing a CT angiography (CTA)?
What type of clothing is MOST suitable for a patient undergoing a CT scan?
What type of clothing is MOST suitable for a patient undergoing a CT scan?
Flashcards
Clothing before CT
Clothing before CT
Wear comfortable, loose-fitting clothing; you may need to change into a gown.
Metal and CT Scans
Metal and CT Scans
Metal objects (jewelry, eyeglasses, dentures, hairpins) can distort CT images.
Fasting before CT
Fasting before CT
Fasting for 3-4 hours is recommended to prevent nausea during the scan.
Caffeine Restriction
Caffeine Restriction
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Breathing Instructions
Breathing Instructions
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ECG Monitoring
ECG Monitoring
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HR Control
HR Control
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Breastfeeding precaution
Breastfeeding precaution
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Metformin Hold
Metformin Hold
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Study Notes
- Wear comfortable, loose-fitting clothing; a gown may be required.
- Remove metal objects like jewelry, eyeglasses, dentures, and hairpins, as they can interfere with CT images.
- Contraindications for CTA should be checked.
- Avoid food for 3-4 hours before the scan.
- No caffeine consumption for 12 hours prior to the scan.
- Instructions on how to breathe during the scan will be provided.
- An electrocardiogram (ECG) signal needs to be acquired.
- Heart rate control is necessary.
- Breastfeeding should be stopped until all contrast material has cleared from the body, approximately 24 hours after the test.
- Metformin medication should be stopped 48 hours before and after the procedure.
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