Ischemic ATN occurs when the tubular cells do not get enough oxygen, a condition that they are highly sensitive and susceptible to, due to their very high metabolism. Diagnosis. Acute tubular necrosis is classified as a renal (i.e. not pre-renal or post-renal) cause of acute kidney injury. Diagnosis is made by a FENa (fractional excretion of sodium) > 3% and presence of muddy casts (a type of granular cast) in urinalysis.
A Rhyming Couplet is two line of the same length that rhyme and complete one thought. There is no limit to the length of the lines. Rhyming words are words that sound the same when spoken, they don't necessarily have to be spelt the same.
A couplet is a pair of rhymed lines of poetry. Such pairs can occur on their own, as short poems or aphorisms, or strung together as long poems or combined with other poetic forms, most commonly as the final lines of an English-style, or Shakespearean, sonnet.n elegiac couplets is an older form, favored by classical writers; it comprises one line of dactylic hexameter and one of pentameter, with a brief pause, or caesura, in the middle. In both cases, the couplets are closed, meaning that each pair of lines constitutes a single thought or complete sentence.