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Cardiac

A group of researchers has developed a pacemaker powered by an implantable flexible piezoe...

Over the past few decades, cardiac pacemaker technology has improved to the point that pacemakers have become a commonplace medical implant that have helped improve or save the lives of many millions of people around the world. Unfortunately, the battery technology used to power these devices has not kept pace and the batteries need to be replaced on average every seven years, which requires further surgery. To address this problem, a group of researchers from Korea Advanced Institute of Science and Technology (KAIST) has developed a cardiac pacemaker that is powered semi-permanently by harnessing energy from the body's own muscles.  Read More

The ZIO Patch is worn on the chest for up to two weeks (Photo: Scripps)

Ordinarily, when doctors wish to monitor an ambulatory patient for heartbeat irregularities, they have them wear what is know as a Holter monitor. The device is fairly cumbersome, so it's usually worn for no more than 24 hours. A recent study, however, indicates that the relatively new ZIO Patch provides more accurate readings, while being considerably less obtrusive.  Read More

Renderings of an implanted Carmat artificial heart

Last Wednesday in Paris, a 75 year-old man received an artificial heart. That in itself might not be newsworthy, as such devices have been in use since the early 80s. In this case, however, the gadget in question was the first Carmat bioprosthetic artificial heart to ever be implanted in a human. According to its inventor, cardiac surgeon Alain Carpentier, it's the world's first self-regulating artificial heart.  Read More

The prototype sensor belt developed by researchers at the Karlsruhe Institute of Technolog...

Although electrocardiograms (ECGs) can help predict cardiac emergencies as much as several months before a potentially life-threatening episode, this usually requires being hooked up to an ECG machine for a period of time at a doctor's office or hospital. A new sensor belt prototype allows an ECG to be recorded around the clock for up to six months, increasing the chances a problem will be discovered and treated before an emergency strikes.  Read More

The Defikopter is a UAV that can be activated by a smartphone app to automatically take to...

We've seen flying drones designed to deliver food and even beer on command, but a new autonomous aircraft from a non-profit organization in Germany could provide medical equipment to remote areas in an emergency. The Defikopter is a UAV that can be activated by a smartphone app to automatically take to the skies and drop a defibrillator to medical personnel on the ground, shaving precious seconds off of the time it takes for a person to receive treatment for cardiac arrest.  Read More

New research demonstrates that it could be easy to trick the mind and trigger an out-of-bo...

New research demonstrates that triggering an out-of-body experience (OBE) could be as simple as getting a person to watch a video of themselves with their heartbeat projected onto it. According to the study, it's easy to trick the mind into thinking it belongs to an external body and manipulate a person's self-consciousness by externalizing the body's internal rhythms. The findings could lead to new treatments for people with perceptual disorders such as anorexia and could also help dieters too.  Read More

Qardio's QardioCore monitors EKG, physical activity, heart rate and skin temperature

Thanks to the miniaturization of electronics and wireless technology, detailed cardiovascular monitoring no longer requires a visit to the doctor's clinic or a hospital. A new wave of cardiovascular monitoring devices can be carried or worn by patients as they go about their daily routine, with the collected data able to be transmitted wirelessly to healthcare professionals and family members. Healthcare company Qardio has unveiled two such devices that allow patients suffering, or at risk of developing cardiovascular conditions, to better monitor their health.  Read More

HemoSep is an autotransfusion technology for open heart surgeries that can improve prospec...

A simpler, cheaper and more efficient method to recover blood lost during open heart and major trauma surgeries has been developed at the University of Strathclyde in Glasgow. Called HemoSep, the method has produced successful results during trials at the Kirikkale University Hospital in Ankara, Turkey, improving prospects for cardiac surgery patients. The technology is soon to be launched commercially.  Read More

The prototype cooling vest and zeolite chamber

Lowering the body’s core temperature has been shown to decrease the likelihood of neurological damage in the event of oxygen deprivation. In a process known as “therapeutic hypothermia,” hospital medical staff will routinely administer chilled water blankets or insert cold drip catheters, in order to protect patients who have just experienced a cardiac arrest or stroke. What can be done, however, when someone has a heart attack far from a hospital? Well, in the near future, bystanders may be able to suit them up with a cooling vest – possibly saving them from permanent brain injury.  Read More

The endocardial balloon catheter with a stretchable array of sensors and electrodes, desig...

When a patient has an arrhythmia (an irregular heartbeat), cardiologists will often treat the disorder by inserting two tube-like catheters into the patient’s heart. The first catheter is used for mapping out the heart tissue, identifying the location of cells that are causing the arrhythmia. The second catheter, which has an electrode on the end, is then directed to those locations, where it kills the aberrant cells in a process known as ablation. Scientists have recently developed a single catheter with added stretchable electronics, however, that does both jobs in one step.  Read More

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