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  2. LTAN - Wikipedia

    en.wikipedia.org/wiki/LTAN

    Local time of the ascending node, an orbital element This page was last edited on 5 August 2021, at 19:32 (UTC). Text is available under the Creative Commons ...

  3. Longitude of the ascending node - Wikipedia

    en.wikipedia.org/.../Longitude_of_the_ascending_node

    Denoted with the symbol Ω, it is the angle from a specified reference direction, called the origin of longitude, to the direction of the ascending node (☊), as measured in a specified reference plane. [1] The ascending node is the point where the orbit of the object passes through the plane of reference, as seen in the adjacent image.

  4. Mean longitude - Wikipedia

    en.wikipedia.org/wiki/Mean_longitude

    An orbiting body's mean longitude is calculated L = Ω + ω + M, where Ω is the longitude of the ascending node, ω is the argument of the pericenter and M is the mean anomaly, the body's angular distance from the pericenter as if it moved with constant speed rather than with the variable speed of an elliptical orbit.

  5. Left anterior descending artery - Wikipedia

    en.wikipedia.org/wiki/Left_anterior_descending...

    From the minute a widow maker heart attack hits, survival time ranges from minutes to several hours. Rapidly progressing symptoms should signal the need for immediate attention. Symptoms of initial onset may include nausea, shortness of breath, pain in the head, jaw, arms or chest, numbness in fingers, often of a novel but imprecise sensation ...

  6. Atrioventricular block - Wikipedia

    en.wikipedia.org/wiki/Atrioventricular_block

    Atrioventricular block (AV block) is a type of heart block that occurs when the electrical signal traveling from the atria, or the upper chambers of the heart, to ventricles, or the lower chambers of the heart, is impaired. Normally, the sinoatrial node (SA node) produces an electrical

  7. What are cardiac arrest, heart attack and heart failure? - AOL

    www.aol.com/cardiac-arrest-heart-attack-heart...

    Heart failure is a medical condition that needs to be treated to prevent a life-threatening heart attack, but is not as immediately life threatening as heart attack or cardiac arrest.

  8. Coronary thrombosis - Wikipedia

    en.wikipedia.org/wiki/Coronary_thrombosis

    Coronary thrombosis is defined as the formation of a blood clot inside a blood vessel of the heart. This blood clot may then restrict blood flow within the heart, leading to heart tissue damage, or a myocardial infarction, also known as a heart attack.

  9. Scientists say your brain still works after death - AOL

    www.aol.com/news/scientists-brain-still-works...

    Scientists have managed to make death even scarier. According to a team of scientists in New York, the human brain is still very active after death, which means there's a chance you could actually ...