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A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.
Watson's water hammer pulse, also known as Corrigan's pulse or collapsing pulse, is the medical sign (seen in aortic regurgitation) which describes a pulse that is bounding and forceful, [1] rapidly increasing and subsequently collapsing, [2] as if it were the sound of a water hammer that was causing the pulse.
The cold water can cause heart attack due to severe vasoconstriction, [2] where the heart has to work harder to pump the same volume of blood throughout the arteries. For people with pre-existing cardiovascular disease , the additional workload can result in myocardial infarction and/or acute heart failure , which ultimately may lead to a ...
As its name suggests, your resting heart rate, or pulse, is the number of times your heart beats per minute when you’re at rest. (Not to be confused with blood pressure , the force with which ...
Count your pulse for 15 seconds and multiply by 4 to find your beats per minute. Some drugs and medications affect heart rate, meaning you may have a lower maximum heart rate and target zone, says ...
It may also be helpful to know about their caffeine intake, if deep breathing or changing positions can stop the palpitations, or how the palpitations start and stop - do they begin and end suddenly or gradually, does the heartbeat feel regular or irregular, how fast does the pulse get during an episode, etc.
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Since 2020, people on TikTok have shared videos of themselves jumping off moving speedboats. Now, authorities have spoken out about the dangers of the activity. Now, authorities have spoken out ...