Recognizing mHealth through phone-as-a-sensor technology

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eric c. larson | eclarson.com

recognizing mhealth through phone-as-a-sensor technology

Assistant Professor Computer Science and Engineering

MiPhone 9 Now with iColon.

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mHealth (em-hell-th )an abbreviation for mobile health, a term used for the practice of medicine and public health supported by mobile devices

the promise of mHealth:

the promise of mHealth:eliminate doctor visitsremote / automatic diagnosisequalize developing countries

stress check

telemedicinefitness trainer

heart rate

current mhealthremote training

stress check


heart rate

current mhealthremote training43,000 apps for health on the app store

stress check


heart rate


96% are for calorie counting & exercise

stress check


heart rate


96% are for calorie counting & exercise4% are remote monitoring

stress check


heart rate


96% are for calorie counting & exercise4% are remote monitoring

yet to be a disruptive mHealth technology

consider physician’s needs

consider physician’s needsconnecting with patient tracking baselinespersonalized trending datamanaging disease

consider physician’s needsconnecting with patient tracking baselinespersonalized trending datamanaging disease

75% of all US healthcare spending is on chronic disease

source: center for disease control, 2014

mHealth sensing in the home for managing disease

mHealth sensing in the home for managing disease

compliance?cost?

data reliability?

baseline quantitysensor

phone-as-a-sensorbaseline quantitysensor

embedded sensors

phone-as-a-sensorbaseline quantitysensor

embedded sensors processing

estimated

accelerometer gyroscope magnetometer /compass dual camera / flash 1+ microphones proximity sensor capacitive sensor gps motorized actuator wireless antenna (s)


compliance++;cost--;


compliance++;cost--;

data reliability?

what can the mobile phone sense with clinical accuracy?

Method Accuracy Disadvantages

TSB Gold standard (r=1.0)

Painful, costly, inconvenient,

delayed

TcBAccurate

(r= 0.75 -0.93) Meter = $7000

tips $5 unavailable in most

physician offices

Visual assessment

not accurate (r= 0.36 - 0.7), underestimates

severity

No standardization lighting,

pigmentation

bilirubin level in blood

jaundice levelblood draw



yellowness camera



yellowness camera processing

estimated

BiliCam

BiliCam

first 100 newborns in study: BiliCam is equivalent to TcB

oxygen volume, VO2

other research

cardiac output and blood pressure

pulmonary function

affect sensing


eclarson.com [email protected] @ec_larson> slide to unlock


collaborators: !Joseph Camp Shwetak Patel Jim Stout, MD, MPH Jim Taylor, MD Margaret Rosenfeld, MD Gaetano Boriello Mayank Goel Lilian DeGreef



eclarson.com [email protected] @ec_larson


collaborators: !Joseph Camp Shwetak Patel Jim Stout, MD, MPH Jim Taylor, MD Margaret Rosenfeld, MD Gaetano Boriello Mayank Goel Lilian DeGreef


Recognizing mHealth through phone-as-a-sensor technology

Engineering

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