2015年2月3日星期二

How acute nephritis with acute exacerbation of chronic nephritis differentiated?

How acute nephritis with acute exacerbation of chronic nephritis differentiated?
Shijiazhuang Kidney Disease Hospital China
(1) history: acute exacerbation of chronic nephritis, chronic nephritis have always sustained history of edema and hypertension, and acute nephritis no history in this regard.
(2) Incubation period: 7 to 30 days of acute nephritis, chronic nephritis, acute exacerbation of 1 to 4 days.
(3) Anemia: acute nephritis is not serious, severe acute exacerbation of chronic nephritis.
(4) Urinalysis: acute nephritis less urine, urine specific gravity increased, the proportion of nocturia> 1.018, the urine-based, may have small or moderate amount of proteinuria, and red blood cell casts, granular casts and transparent tube is more common; acute exacerbation of chronic nephritis urine may be more or less, its specific gravity is low, fixed at about 1.010. Chronic nephritis can occur when nephrotic proteinuria, hematuria may be more or less, renal failure may occur casts (ie particularly thick and long, across the entire field of view can be transparent tube type).
(5) phenol red excretion test: Most normal acute nephritis, acute exacerbation of chronic nephritis significantly diminished.

(6) renal shadow size (kidney flat sheet, b super): normal or increased acute nephritis, acute exacerbation of chronic nephritis often significantly reduced.

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