Non-invasive, wireless blood pressure readings

 
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Blood pressure is a very important physiological parameter with high relevance in term of cardiovascular risk, chronic disease management and emergency situations.
Todays methods of measuring blood pressure are rather clumsy (RR cuff that is being inflated and then slowly deflated) and not very precise. It can not be done easily, frequently or on the move, etc.
Finding a way to measure blood pressure non-invasively and wirelessly by simply putting a mobile device (e.g. smartphone) close to the chest or other suitable bodyparts of hypertensive patients, e.g by combining sort of echocardiography with impedance cardiography, all e.g. built into the shell of a smartphone
Such a capability or even a system that would be small and implantable could revolutionise the way hypertension could be diagnosed and controlled, e.g. by dynamic, on demand medication regimen in a closed loop way.

Future Developments

Finding a way to measure blood pressure non-invasively/wirelessly by simply putting a mobile device (e.g. smartphone) close to the chest or other suitable bodyparts of hypertensive patients, e.g by combining sort of echocardiography with impedance cardiography, all e.g. built into the shell of a smartphone

a collaboration between biomedical R&D and mobile communication technology know-how would be needed.

 

Image: djuggler via photopin cc
 

4 Responses to “Non-invasive, wireless blood pressure readings”

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  4. I agree with you, that today’s methods of measuring blood pressure are not very sophisticated and that there is much room for improvements.
    This becomes clear, when you take a look at nowadays 24-hours Ambulatory Blood Pressure Monitoring systems. Wearing a cuff with tubes connected to a monitoring device, which weighs about a pound, and the inflation of the cuff every 30 minutes during every day and night time is certainly not very enjoyable.
    Those inconveniences could lead to patients that remove the cuff during tests or to patients, who don’t wish to do it again, even if it were very important for their health.
    With today’s technology, I think it is not yet possible to create a device that solves all of the problems. However, there already exist some promising products like the one presented here:

    http://www.medgadget.com/2012/02/new-startup-develops-continuous-blood-pressure-measurement-without-a-counter-pressure-cuff.html

    The device measures the blood pressure by measuring impedance changes of tissue around a vessel. The advantages of such a device are quite obvious. There is no uncomfortable inflating of a cuff, no wires and therefore no limitation of movements.
    As you already said, the next step would be to combine such a device with smartphones, which would lead to even more capabilities.

     

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