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[30] ECG also claimed the Joe Childers Cup in 2021. National History Day: First place state winners in the Senior individual website category. [31] Two ECG teams qualified for the Small School National Tournament in 2022. [32] Quill: State champions in 2023, fourth place in 2021 and 2018, third place in 2020 and 2019 and second place in 2018. [33]
Brendan Kavanagh (born October 1967 [2] [3]), also known as "Dr K" due to his PhD in English, is a British pianist and piano teacher of Irish descent. He specializes in playing and promoting the boogie-woogie genre, almost exclusively improvised, often combined with classical, jazz , blues , rock & roll , and traditional Irish music themes.
The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven, who theorized its existence. [2] Einthoven used these measuring points, by immersing the hands and feet in pails of salt water, as the contacts for his string galvanometer, the first practical ECG machine. [3]
Electrocardiography is the process of producing an electrocardiogram (ECG or EKG [a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [5] using electrodes placed on the skin.
According to V. Gorshkov-Cantacuzene: "The U wave is the momentum carried by the blood in the coronary arteries and blood vessels". [4] [5] [6]The resistivity of stationary blood is expressed as () = | (+), where is a coefficient, and is the hematocrit; at that time, as during acceleration of the blood flow occurs a sharp decrease in the longitudinal resistance with small relaxation times.
Patrick Bernard Kavanagh CBE QPM (18 March 1923 – 11 December 2013 [1]) was a senior British police officer. Kavanagh was educated at St. Aloysius' College, Glasgow . He served in the Rifle Brigade from 1941 to 1943 and the Parachute Regiment from 1943 to 1946, ending his service as a Lieutenant .
Kevin Systrom (co-founder of Instagram), the BBC, Time, and Life magazine claim the photograph to be the first shared on Instagram, [83] [84] however The Economic Times and The Guardian claim the first photograph posted to the social media to be a picture of San Francisco's South Beach harbor by Mike Krieger, also co-founder.
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