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Orthostatic hypertension is diagnosed by a rise in systolic BP of 20 mmHg or more when standing. Orthostatic diastolic hypertension is a condition in which the diastolic BP raises to 98 mmHg or over in response to standing, [ 2 ] [ 3 ] [ 4 ] but this definition currently lacks clear medical consensus, so is subject to change.
Standing for long periods can change the distribution of blood in the extremities. This in turn causes the blood to pool and reduces the circulating blood plasma volume leading to hemodynamic changes that impact the body. The authors reported that long periods of standing at work were significantly associated with atherosclerotic progression.
Samsung TV Plus is a free ad-supported streaming television (FAST) service owned by Samsung Electronics that was introduced in 2015. The platform was designed to ...
The Commercial Advertisement Loudness Mitigation Act (H.R. 1084/S. 2847) (CALM Act) requires the U.S. Federal Communications Commission to bar the audio of TV commercials from being broadcast louder than the TV program material they accompany by requiring all "multichannel video programming" distributors to implement the "Techniques for Establishing and Maintaining Audio Loudness for Digital ...
The U.S. Navy Diving Manual indicates that ascent rates greater than about 20 m/min (66 ft/min) when diving increase the chance of DCS, while recreational dive tables such as the Bühlmann tables require an ascent rate of 10 m/min (33 ft/min) with the last 6 m (20 ft) taking at least one minute. [36]
YouTube announced that cumulative views of videos related to Minecraft, some of which had been on the platform as early as 2009, exceeded 1 trillion views on December 14, 2021, and was the most-watched video game content on the site.
Jukeboxes became popular in the 1940s and were often set to a predetermined level by the owner, so any record that was mastered louder than the others would stand out. Similarly, starting in the 1950s, producers would request louder 7-inch singles so that songs would stand out when auditioned by program directors for radio stations. [1]
Before loudness normalization, one song in a playlist might be quieter than the rest, so the listener would have to turn a volume knob up to adjust the playback volume. [ 4 ] Depending on the dynamic range of the content and the target level, loudness normalization can result in peaks that exceed the recording medium's limits, causing clipping.