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3 days ago · Video explanation of blood flow through the heart. The heart functions as a pump in the circulatory system to provide a continuous flow of blood throughout the body. This circulation consists of the systemic circulation to and from the body and the pulmonary circulation to and from the lungs.
Jun 11, 2024 · Definition. PR interval > 200ms (five small squares) There is delay, without interruption, in conduction from atria to ventricles. ‘Marked’ first degree heart block is present if PR interval > 300ms. First degree heart block. Causes of First Degree Heart Block. Increased vagal tone. Athletic training. Inferior MI. Mitral valve surgery.
4 days ago · The Heart Sūtra [note 1] is a popular sutra in Mahāyāna Buddhism. In Sanskrit, the title Prajñāpāramitāhṛdaya translates as "The Heart of the Perfection of Wisdom ". The Sutra famously states, "Form is emptiness ( śūnyatā ), emptiness is form."
21 hours ago · 9:19 PM MYT. HANOI (Reuters): Vietnam's government said that it had issued a new decree to allow factories to directly buy electricity from power suppliers, in a move that could help unleash the ...
Jun 25, 2024 · A heart attack (myocardial infarction) is a medical emergency that occurs when blood flow to the heart muscle is reduced or blocked. One of the symptoms of a heart attack is chest pain, but this doesn't always mean that someone clutches at their chest in pain like in the movies.
1 day ago · Charles II of Spain [a] (6 November 1661 – 1 November 1700) was King of Spain from 1665 to 1700. The last monarch from the House of Habsburg, which had ruled Spain since 1516, neither of his marriages produced children, and he died without a direct heir.
1 day ago · The International Earth Rotation and Reference Systems Service (IERS) announced on Thursday there will be no leap second added to 2024. The standards keeping body established that there was not enough difference between time as measured based on atomic clocks (UTC) and time as measured by the Earth's natural rotation (UT1) to warrant making a ...
