Multimometer - Vital Signs Device for Diagnosis of Pneumonia

A. Improve the universality of the mouth-interface using facial anthropometry techniques.

For this first part of the study, the investigators will use a portable 3D camera (as previously used by our group) to acquire 250 3D facial images of healthy children under 5yrs of age in the DRC. While in hospital/clinic, the investigators will use a three-dimension (3D) special camera to obtain an image of the child's face. The child can sit on the lap of the parent and we will take the image. The image acquisition takes less than 30 seconds. There are no specific requirements from the child, and the image can be taken if the child is asleep or awake, cry or settled. No medical or identifying information will be collected.

All the computerized images will be cluster analyzed (using previously established methodologies from the Technion, Israel) and three 3D average faces of all small, medium and large faces will be constructed. The investigators will use these "faces" to design better Multimometers with improved mouth-interface for this population.

B. Integrate into the current device a reflexive pulse oximeter sensor which will allow measurements of oxygen saturation and heart rate.

For the addition of HR and SpO2 measurements, the investigators will integrate a reflective pulse oximetry chip into the probe. Together with the manufacturer (RespiDx Inc., Israel) the investigators will design and manufacture optimal prototype devices suitable for performing clinical trials on this population.