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It may be described as "coarse" or "fine" depending on its amplitude, or as progressing from coarse to fine V-fib. Coarse V-fib may be more responsive to defibrillation, while fine V-fib can mimic the appearance of asystole on a defibrillator or cardiac monitor set to a low gain .
Very fine (VF) is a well centered stamp with ample margins. Fine ( F ) is a stamp that is significantly offset but still has four margins. Average ( Avg. ) is a stamp that has no margin on at least one side with a portion of the design trimmed off or cut into by perforations .
Defibrillation [21] — Defibrillation is the definitive treatment step for those cases of cardiac arrest that involve a shockable rhythm, or one correctable by defibrillation (pulseless unstable ventricular tachycardia, coarse or fine ventricular fibrillation; it will not work for asystole or pulseless electrical activity)
Use high Vf: Micromechanics based, minimize Vf for cost and processibility Fiber: Any type, Vf usually less than 2%; df for steel ~ 500 micrometre: Mostly steel, Vf usually > 5%; df ~ 150 micrometre: Tailored, polymer fibers, Vf usually less than 2%; df < 50 micrometre Matrix: Coarse aggregates: Fine aggregates
Asystole should not be confused with very brief pauses below 3 seconds in the heart's electrical activity that can occur in certain less severe abnormal rhythms. Asystole is different from very fine occurrences of ventricular fibrillation, though both have a poor prognosis, and untreated fine VF will lead to asystole. Faulty wiring ...
The terms coarse and fine have (in this context) no relation to the manufacturing quality of the thread. In addition to coarse and fine threads, there is another division of extra fine, or superfine threads, with a very fine pitch thread. Superfine pitch metric threads are occasionally used in automotive components, such as suspension struts ...
Investing isn't easy. Even Warren Buffett counsels that most investors should invest in a low-cost index like the S&P 500. That way, "you'll be buying into a wonderful industry, which in effect is ...
Granularity (also called graininess) is the degree to which a material or system is composed of distinguishable pieces, "granules" or "grains" (metaphorically). It can either refer to the extent to which a larger entity is subdivided, or the extent to which groups of smaller indistinguishable entities have joined together to become larger distinguishable entities.