Profile: Card Guard specializes in advanced telehealth systems and monitoring services for high-risk & chronically ill patients. We offer products such as cardiology, hypertension, diabetes, pulmunology, interactive, telemonitoring & telecare. Our wireless oximeter measures real-time oxygen saturation levels in the blood and pulse rate. Our SelfCheck™ BP wireless blood pressure and pulse rate monitor is an advanced tool for measuring & assessing hypertension.