526 results
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... ammonium concentration ... #Differential #Diagnosis ... #Workup #nephrology
Ammonium Urate Crystals on Urine Microscopy
Very much like a black sea urchin in these particular examples

Dr.
Ammonium Urate Crystals ... on Urine Microscopy ... @JoseTesser #Ammonium ... clinical #nephrology #urine
Urine Osmolar Gap Calculation

Urine Osmolar Gap represents ammonium salts = Measured Urine Osmolality - (2 x
Urine Osmolar Gap ... Calculation Urine ... Gap represents ammonium ... salts = Measured Urine ... #OsmolarGap #Diagnosis
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
much easier to diagnosis ... with direct urine ... ammonium assay. ... Failure to acidify urine ... Type1 #Distal #Diagnosis
Urine Anion Gap in NAGMA
NA + K - Cl = surrogate for Urine NH4+
NH4+ is excreted
Urine Anion Gap ... surrogate for Urine ... negative AG implies ↑ ammonium ... ThePeanutKidney #Urine ... AnionGap #NAGMA #diagnosis
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Haptoglobin Urine ... hemosiderin Urine ... Laboratory #Testing #workup ... #diagnosis #hematology
Amyloidosis - Workup and Diagnostic Algorithm
 • Serum Immunofixation and Serum Free Light Chains
 • Biopsy
Amyloidosis - Workup ... and Diagnostic ... • Serum and urine ... IFE and 24-h urine ... #Amyloidosis #Workup
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... disease Magnesium ammonium ... independent of urine ... - Diagnostic of
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
apatite plaque, Low urine ... duct plaque, Low urine ... - Magnesium, ammonium ... Infection with ammonia-producing ... #differential #diagnosis
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... WBCs, or urine ... uw_IMresidency #Hematuria #Diagnosis ... #Algorithm #Workup