CTICasesCardioMEMS Pulmonary Artery Pressure Monitoring Device
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Imaging findings
A small, 'tootsie roll' shaped device is seen implanted in the pulmonary artery on chest imaging. It consists of a small pressure sensor with wires, without a visible battery.
Key takeaways
The CardioMEMS device is an implantable, battery-free pulmonary artery pressure monitoring system. It transmits data wirelessly to an external monitor, allowing patients and physicians to track pulmonary pressures at home. This helps manage chronic heart failure, reducing hospital stays and mortality by facilitating proactive adjustments to treatment based on pressure readings. The device is energized externally by electromagnetic induction.
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