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Qalculate! supports common mathematical functions and operations, multiple bases, autocompletion, complex numbers, infinite numbers, arrays and matrices, variables, mathematical and physical constants, user-defined functions, symbolic derivation and integration, solving of equations involving unknowns, uncertainty propagation using interval arithmetic, plotting using Gnuplot, unit and currency ...
Upper limit of normal QT interval, corrected for heart rate according to Bazett's formula, [5] Fridericia's formula, [10] and subtracting 0.02 s from QT for every 10 bpm increase in heart rate. [13] Up to 0.42 s (≤ 420 ms) is chosen as normal QTc of QT B and QT F in this diagram.
Schwartz score to aid diagnosis of inherited long QT syndrome. [37] Corrected QT interval (QTc) ≥ 480 ms 3 points QTc defined according to Bazett's correction: 460–470 ms 2 points 450 ms and male gender 1 point Torsades de pointes: 2 points T-wave alternans: 1 point Notched T-waves in at least 3 leads 1 point Low heart rate for age (children)
The actual formula for calculating a dog's age, it turns out, might mean breaking out your graphing calculator. Dogs don't actually age 7 times faster than humans, new study shows Skip to main content
QT interval variability (QTV) refers to the physiological phenomenon of beat-to-beat fluctuations in QT interval of electrocardiograms. Increased QTV appears to be a marker of arrhythmic and cardiovascular death; it may also play a role for noninvasive assessment of sympathetic nervous system activity. [1]
The AKC National Championship is held by the American Kennel Club every year in December or January in the US since 2001. [1] Over 5,000 dogs from all over the world come to compete, but only seven go to best in show. The 2021 AKC National Championship was livestreamed on AKC.TV on December 18-19 2021.
Torsades de pointes, torsade de pointes or torsades des pointes (TdP; also called torsades) (/ t ɔːr ˌ s ɑː d d ə ˈ p w æ̃ t /, [2] French: [tɔʁsad də pwɛ̃t̪], translated as "twisting of peaks") is a specific type of abnormal heart rhythm that can lead to sudden cardiac death.
The BFQ is calculated as the regression of the quotient of an animal's bite force in newtons divided by its body mass in kilograms. [1] The BFQ was first applied by Wroe et al. (2005) in a paper comparing bite forces, body masses and prey size in a range of living and extinct mammalian carnivores, later expanded on by Christiansen & Wroe (2007 ...