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CardioMEMS™ Implant

Quick answer

The CardioMEMS HF System is a small sensor placed in your pulmonary artery, delivered there through a catheter. It measures the pressure and your heart rate, and it has no battery. A bedside unit in your home powers the sensor wirelessly and collects the readings, then sends them to an online portal. Your cardiologist checks them. If you have heart failure, that means your doctor sees what is happening without you leaving home.

For patients with heart failure, the CardioMEMS™ HF System can monitor the pressure in your pulmonary artery and send information directly to your doctor, all from the comfort of your home.
CardioMEMS™ implant illustration

What is the CardioMEMS™ HF System?

The CardioMEMS™ HF System consists of an implantable, battery-free sensor that is implanted into the distal pulmonary artery to continuously measure the heart rate along with systolic, diastolic, and mean pressures. The implant is delivered using a matching vascular catheter and readings from the implant are gathered by a bedside electronics unit that also wirelessly powers the implant. The data is transmitted to an online portal where the patient’s cardiologist can check the readings collected by the CardioMEMS™ HF.

How does it work?

The sensor is a resonant circuit consisting of a capacitor and an inductor. The capacitance of the sensor is a function of the pressure in the sensor’s environment and the resonant frequency of the sensor is a function of the capacitance and is measured by the electronics unit. Because of the presence of the inductor coil, the sensor can be electromagnetically coupled and the resonant frequency of the LC (inductor-capacitor) circuit can be measured remotely. This allows for wireless communication with the sensor and eliminates the need for a battery.

What our patients say

Schedule a personalized assessment and find out your treatment options.

Dr. Moinakhtar Lala and Dr. Mehran J. Khorsandi of CACVI

Dr. M Lala, Dr. Mehran J. Khorsandi and Dr. V Lala

Meet Your Specialists


The Center for Advanced Cardiac and Vascular Interventions (CACVI) is led by Dr. M Lala, Dr. Khorsandi, and Dr. V Lala, who have over thirty years of practice with over 15,000 vascular and cardiac procedures performed. Our physicians are determined to provide each patient with experienced, compassionate care as they work diligently to improve your health.

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