Disease diagnosis as a branch of telehealth when ‘lab-on-a-chip’ and ‘microfluidic’ technologies connect to mobile phone networks to deliver their results? Lab-on-a-chip (Wikipedia) Microfluidics (Wikipedia). Item prompted by news of a microfluidic device that can identify infectious diseases such as HIV or syphilis at low cost. A credit card-sized device that can spot infectious diseases Stanford Scopeblog.