139 results
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
Clinical #Nephro #Urine ... Comparison #Chart #ATN
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Sodium (FENa) = (Urine ... / (Serum Na+ x Urine ... > 2% suggests ATN
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
UOP/weights - Urine ... Liano 1996) - ATN ... CKD— 13% (mostly ATN ... Nephrology #Diagnosis #Algorithm
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... Status, Check Urine ... Na, Urine Osm ... #Hyponatremia #Algorithm
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... Gravity = Density of urine ... resistance to ADH) • ATN ... EricsMedicalLectures/ #Urine
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... examination, check urine ... uric acid: - Urine ... hyponatremia - Urine ... #Differential #Algorithm
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Measurement of urine ... Differential Diagnosis Algorithm ... Hypophosphatemia #urine ... Differential #Diagnosis #Algorithm
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
Pathways of Purple Urine ... published in Purple Urine ... commonly grown in the urine ... #Pathophysiology ... #PUBS #Purple #Urine
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Brown Casts in ATN ... #Path #Nephro #Urine ... MuddyBrownCasts #ATN
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... E.coli*) + alkaline urine ... BrighamChiefs #Purple #Urine ... Syndrome #PUBS #pathophysiology