Understanding the MRI Scanner: The Core of MRI Technology
At the heart of every MRI suite is the scanner itself. As an MRI technologist, you’ll become familiar with this powerful piece of equipment, which plays a crucial role in diagnosing and monitoring various medical conditions. Understanding the technology behind MRI scanning is essential for providing high-quality patient care and ensuring accurate imaging results. Here, we’ll explore the key components of MRI technology, the operation of the scanner, safety protocols, and the auxiliary equipment that supports your role in the imaging process.
Interested in becoming an MRI tech? Request information and find out more about the program.
The MRI scanner consists of several key components:
The Magnet: The Powerhouse of MRI
The most crucial element of an MRI scanner is its powerful magnet. Most clinical MRI scanners use superconducting magnets with field strengths of 1.5 or 3 Tesla. These magnets create a strong, uniform magnetic field that aligns the hydrogen atoms in the patient’s body.
Gradient Coils: Pinpointing the Signal
Gradient coils within the scanner produce smaller magnetic fields that allow for precise localization of the MRI signal. As a technologist, you’ll learn to adjust these gradients to capture images of specific body areas with high accuracy.
Radiofrequency (RF) Coils: Sending and Receiving Signals
RF coils are responsible for transmitting radio waves into the patient’s body and receiving the resulting signals. Different types of RF coils are used for various body parts, and you’ll need to select and position them correctly for each scan.
The Control Center: Operating the MRI Scanner
Computer System and Software
As an MRI technologist, you’ll spend much of your time at the control center, operating the sophisticated computer system that controls the scanner. You’ll use specialized software to:
- Plan and set up scan sequences
- Adjust imaging parameters
- Monitor the scan in real-time
- Process and review images
Patient Communication System
Most MRI suites are equipped with an intercom system that allows you to communicate with the patient during the scan. This is crucial for providing instructions and ensuring patient comfort and safety.
Safety Equipment: Protecting Patients and Staff
Metal Detectors and Screening Devices
MRI scanners use powerful magnets, making metal objects extremely dangerous. You’ll use metal detectors and screening questionnaires to ensure patients don’t bring any metallic objects into the scanning room.
Contrast Agent Injectors
For some scans, you may need to administer contrast agents to enhance image quality. You’ll work with automated injector systems to deliver these agents safely and precisely.
Auxiliary Equipment: Supporting the Scanning Process
Positioning Aids
Various cushions, pads, and immobilization devices help position patients correctly and comfortably during scans. You’ll learn to use these tools effectively to obtain high-quality images.
MRI-Compatible Monitoring Equipment
For some patients, you may need to monitor vital signs during the scan. You’ll work with specially designed MRI-compatible monitoring equipment that doesn’t interfere with the magnetic field.
As an entry-level MRI technologist, you’ll need to master the operation of all this equipment while prioritizing patient care and safety. Your role will involve not just technical skills but also strong communication abilities to guide patients through the scanning process. With ongoing advancements in MRI technology, you’ll find that continuous learning is an essential part of this dynamic career.
Find Out More
Curious about how you can contribute to healthcare through this career that blends technology and human connection? Explore our AAS in Magnetic Resonance Imaging (MRI) Technology and see how you can become a part of this impactful profession, or click here to Request Information.
