Pacemakers (or else artificial pacemakers) are medical devices implanted subcutaneously. They generate electrical triggers and transfer them via electrodes to the heart in order to...
An abnormal accumulation of fluid in the pericardial cavity. In most cases pericarditis is the cause of the effusion. Other causes are cancer, injury to...
Inflammation of the pericardium. It can cause chest pain and accumulation of fluid around the heart (pericardial effusion). There are many causes of pericarditis, including...
Photoplethysmography is used in pulse oximeters to measure blood oxygen concentration. A pair of small LEDs face a light collector through a fingertip. One LED...
A heart valve separating the pulmonary trunk from the right ventricle. The pulmonary valve moves blood toward the lungs and keeps it from sloshing back...
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