Fingertip pulse oximeter was invented by Millikan in the 1940s to monitor the concentration of oxygen in arterial blood, an important indicator of the severity of COVID-19. Yonker now explains how ...
Ultrasound is an advanced medical technology, which has been a commonly used diagnostic method by doctors with good directionality. Ultrasound is divided into A type (oscilloscopic) method, B type ...
Modern ultrasound technology has transformed medical imaging from static anatomical pictures to dynamic functional assessments, all without ionizing radiation. This article explores the physics, ...