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.
Poem with a Refrain Poetry in which a word, phrase, line, group of lines, or stanza is repeated at regular intervals. In music, this is usually called a chorus. Closed couplet two lines of rhymed poetry that express a complete thought. Frequently closed couplets are epigrams, and sometimes epitaphs.onnet A fourteen line poem in iambic pentameter with a set rhyme scheme. There are several different types of sonnets; the type of the sonnet is determined by the rhyme scheme. An English (or Shakespearean) sonnet has a rhyme scheme of ABABCDCDEFEF GG or ABBACDDCEFFE GG.