For Cardiac and Lung Imaging, Researchers Develop an MRI with a Lower Magnetic Field 

 June 9, 2021

Edison Imaging Center in the United States

Researchers at the National Institutes have stated that the low-magnetic field MRI system can provide high-quality cardiac and lung imaging. It allows getting an overview of the internal structures of the human body.

A Low-field MRI system is identified as valuable, efficient, and safer for patients. The National Heart, Lung, and Blood Institute claimed that new systems can provide procedures that are beneficial in diagnosing and treating illnesses. 

Today, the advancement in technology around the world has facilitated the health care sector. It supports affordable and accurate imaging, which is accessible and safer for patients. People with pacemakers and defibrillators face a higher risk in the high-field MRI process. Therefore, the lower magnetic field has turned out to be valuable. 

Edison Imaging Center in the United States is offering affordable imaging services. People can easily connect with the center for cardiac and lung imaging. 

How MRI is Optimized for Diagnostic Applications?


Relevant medical studies have proved that health practitioners and relevant bodies are exploring ways to optimize MRI applications. For over 30 years, MRI cruising speed is recorded as 1.5T of the magnetic field. 

MRI tests involve radio waves and powerful magnets. It is applied for analytical imaging and offers prints of the interior organs and structures of the body. Doctors use this technique to diagnose illnesses and injuries. It also permits observing the improvement and enhancement. 

The cardiac MRI is useful for: 

  • Examining blocked blood vessels. 
  • Identify heart diseases. 
  • Assessing issues with the structure of the heart. 
  • Evaluating the damage that occurred as a result of a heart attack. 

The imaging scans are critical in the process of providing care and treatments. However, it is vital to comprehend that no test is flawless. The doctors recommend tests according to the need. The detailed images of the soft tissues provide better information for diagnosis. 

The MRI of the lung is an advanced way of finding:

  • Lung disorders. 
  • Airway blockages. 
  • Understanding of recent surgeries or allergies. 
  • Development of abnormal masses like cancer or other tissues. 
  • Assessment of the composition and role of the lungs. 
  • Diagnosing lung cancer and suspicious areas that might be affected. 

The MRI reconstruction in these years has gained a lot of attention. To improve the overall care and impact of treatments on patient care, radiologists and doctors need to understand the benefits of low magnetic fields MRI. It can potentially produce high-quality and non-fuzzy images. Its applications and benefits are increasing with time. 

MRI Applications have been optimized to ensure the following:

  • Enhance patient-centered imaging. 
  • Ensure the lowest levels of radiation for diagnostic imaging. 
  • Provide accurate and reliable image interpretation. 
  • Producing advanced imaging modalities. 

Why Lower Magnetic Fields are Better for Cardiac and Lung Imaging?


The health practitioners have claimed that the MRI of the lung is difficult. The air in the lungs involves the MRI illustrations. 

A low-field MRI system is beneficial as it helps in clearly examining the lungs. The imaging technology is equipped with a magnetic field that makes it easier to view the organ. In this case, the oxygen inhaled by the patient is considered as a contrasting agent. Through this, doctors can evaluate the function and structure of the lungs. 

The use of low magnetic field MRI methods for cardiac and lung imaging is possibly providing new opportunities for the health care sector. The scientists at Siemens have been using low magnetic resonance to make the process easier. 

In the situation of high magnetic fields, the risk is greater. It might lead to affecting patients. The disadvantages of high magnetic fields are presented below:

  • It becomes a barrier to the treatment. 
  • The risk of heating of patients with pacemakers is high. 
  • The costs are high. 

New technologies and strategies are discovered to enhance the affordability and accessibility of MRI. It is an imaging modality that ensures high performance. It is proved that the development has a positive and great impact on health care. 

The modification in the MRI system was a well-thought change. The researchers used advanced methods to find out ways to improve cardiac and lung imaging. It was tested on objects similar to human tissue. The field strength was reduced from 1.5T to 0.55T. 

The change made it easier to spot and assess the cysts in the lungs. It also enhanced heart imaging. In addition, the lower magnetic field is ensuring improved image guiding methods. It allows diagnosing and treating illnesses by making them accessible. 

A lower field is not dangerous and simpler to sustain and connect. It incorporates innovative hardware and software. It endorses the development of high-value images. Throughout low-field MRI, heart catheterization supports in detecting and treating diverse health ailments. 

Overall, the low-field MRI has increased flexibility in acquiring images. It provides surgeons with the support to carry out complex procedures. MRI guidance and good quality cardiac imaging have improved the overall health care processes. 

The rationale behind low field MRI is to reduce the cost and offer open access to patients. The low-field scanners are advantageous in the following ways:

  • Provides open design. 
  • The operational costs are low. 
  • It ensures a lower fringe field. 
  • It ensures lower energy disposition in tissues. 

These scanners are widely used to enhance the overall imaging. Overall, it improves the imaging by reducing susceptibility. The evolution of the image correction algorithm has supported the use and benefits of lower magnetic fields. 

Final Thoughts

All over the world, health researchers are constantly focusing on how MRI can be optimized. The studies emphasize therapeutic and diagnostic applications. For the past 30 years, scientists have been supporting low-field MRI for cardiac and lung imaging. The clinical significance of this has been emphasized in many findings. 

Yet, it is found that the low MRI field has not gained much attention. Numerous debates are revolving around its use. From a clinical aspect, it is found that the low-magnet field is dominating by offering high images and accurate resolution.

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