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 Review: Talking Helper Alexa Is No Match for Siri. The Virtual Assistant Plays DJ for Your Music, But Gets Lost on Other Basic Requests. Meet Alexa, Amazon's voice-activated virtual assistant who lives in the $200 Echo smart speaker. Personal Tech columnist Geoffrey A. Fowler puts her in the interview chair to find out what she can do.