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MRI-compatible pacemaker debuts
Strong magnetic fields should pose no danger to the users of a new implantable pacemaker from Biophan Technologies. Current pacemaker design includes a metal wire, about a foot long, that connects the pacemaker to the heart. In an MR scanner, the wire
Strong magnetic fields should pose no danger to the users of a new implantable pacemaker from Biophan Technologies. Current pacemaker design includes a metal wire, about a foot long, that connects the pacemaker to the heart. In an MR scanner, the wire can become very hot and can ablate the blood vessels, scar the heart, and potentially induce a rapid, sometimes fatal heart condition. The wire also picks up radio-frequency interference, which can impair the pacemaker’s performance. As a result, pacemakers are contraindicated with MR imaging equipment. The new technology replaces the metal electrical cable with a fiber-optic type and uses an implantable laser to regulate a patient’s heartbeat. A photodiode in the catheter’s tip, where it connects to the heart, will provide sensing functions, including R-wave analysis of the electrocardiogram, temperature, pressure, and flow. More than three million people have pacemakers, and at least 600,000 new pacemakers are implanted every year, according to Biophan spokespersons.
European Society of Breast Imaging Issues Updated Breast Cancer Screening Recommendations
April 24th 2024One of the recommendations from the European Society of Breast Imaging (EUSOBI) is annual breast MRI exams starting at 25 years of age for women deemed to be at high risk for breast cancer.
Study Reveals Benefits of Photon-Counting CT for Assessing Acute Pulmonary Embolism
April 23rd 2024In comparison to energy-integrating detector CT for the workup of suspected acute pulmonary embolism, the use of photon-counting detector CT reduced radiation dosing by 48 percent, according to newly published research.
