Capnography is a noninvasive method for monitoring the level of carbon dioxide in exhaled breath (EtCO2) to assess a patient’s ventilatory status. An inherent property of CO2 is to absorb infrared radiation at a very specific wavelength. Capnographs contain sensors that produce infrared sources of blackbody radiation at these wavelengths. These sensors enable the calculation of CO2 levels in a breath sample. Capnographs produce both waveforms and numeric values of the patient’s exhaled breath and are used to identify adverse ventilation events. This helps clinicians diagnose specific medical conditions, leading to important treatment decisions.
The Android-based Swasthya Slate can capture ECG data at 1,000 Hz and is reportedly capable of providing enough information to make clinical judgements.
Using the tablet PC to read/ edit documents, surf the Web, take snaps and watch movies is passe. Imagine a tablet that can monitor your ECG, measure heart rate, besides offering various other medical facilities. This imagination has been turned into reality by Kanav Kahol, a US-returned Indian biomedical engineer.
(Health Tablet), created by Kahol and aimed at medical utility, is being dubbed as the first-of-its kind diagnostic tool. The tablet can record body temperature, conduct ECG, test blood sugar and blood pressure, measure heart rate and also test quality of water.
Alan Jasanoff is designing imaging sensors that could help reveal the brain’s inner workings.
After finishing his PhD in molecular biophysics, Alan Jasanoff decided to veer away from that field and try looking into some of the biggest questions in neuroscience: How do we perceive things? What happens in our brains when we make decisions?
After a few months, however, he realized that he didn’t have the tools he wanted to use — so he decided to start making his own.
Millennium Research Group (MRG) predicts that the Indian market for diagnostic imaging systems will see a strong growth rate in the coming years and would grow at an average rate of nearly nine per cent per year. It also predicts that the market would reach almost $830 million by 2016. Strong growth is expected in the low-end and mid-range systems purchased by small hospitals and facilities in rural areas that did not have imaging capability previously. Higher priced systems for urban facilities transitioning to higher-end CT and MRI systems and from analog to digital X-ray imaging are also expected to grow rapidly.
Researchers at Oregon State University have tapped into the extraordinary power of carbon “nanotubes” to increase the speed of biological sensors, a technology that might one day allow a doctor to routinely perform lab tests in minutes, speeding diagnosis and treatment while reducing costs.
The new findings have almost tripled the speed of prototype nano-biosensors, and should find applications not only in medicine but in toxicology, environmental monitoring, new drug development and other fields.
The research was just reported in Lab on a Chip, a professional journal. More refinements are necessary before the systems are ready for commercial production, scientists say, but they hold great potential.
Capnography is a noninvasive method for monitoring the level of carbon dioxide in exhaled breath (EtCO2) to assess a patient’s ventilatory status. An inherent property of CO2 is to absorb infrared radiation at a very specific wavelength. Capnographs contain sensors that produce infrared sources of blackbody radiation at these wavelengths. These sensors enable the calculation of CO2 levels in a breath sample. Capnographs produce both waveforms and numeric values of the patient’s exhaled breath and are used to identify adverse ventilation events. This helps clinicians diagnose specific medical conditions, leading to important treatment decisions.
