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.
Whatâs the difference between them? About the size of a hockey puck, the Echo Dot is basically a miniature version of the larger Echo. Like the Echo, it comes with Amazonâs voice assistant, Alexa. Through Alexa, Echo Dot users can ask questions, get the latest headlines, control smart home devices and more.