Note that while diastolic blood pressure is diminished and the pulse pressure widens, systolic blood pressure generally remains normal or can even be slightly elevated. This is because sympathetic nervous system and the renin-angiotensin-aldosterone axis of the kidneys compensate for the decreased cardiac output.
Amazon Echo, also known as Alexa, is a voice command device from Amazon.com that is always listening. Its functions include question answering, playing music and controlling smart devices.
Amazon Echo is designed around your voice. It's always onâjust ask for information, music, news, weather, and more. Echo begins working as soon as it hears you say the wake word, Alexa.. It's also an expertly-tuned speaker that can fill any room with immersive sound.