31 results
Schematic representation of the major sources of ammonia production and its excretory pathway (GI = gastrointestinal,
major sources of ammonia ... production of ammonia ... elimination of ammonia ... Medications - Valproic ... production) of ammonia
Differential diagnosis of hyperammonemia

#Hyperammonemia #Ammonia #Drugs #Medications #Differential #Diagnosis #Causes #Table
Hyperammonemia #Ammonia ... Diagnosis #Causes #Table
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 ... Crystals #comparison #table
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
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Drugs: • Valproic ... Hyperammonemia #ammonia
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 ... + Urea/2.8) Urine
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 ... phosphate: alkaline urine ... Infection with ammonia-producing
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
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
diagnosis with direct urine ... ammonium assay. ... Failure to acidify urine
Kidney stone type, corresponding urine sediment, urinary risk factors, and associated clinical settings.
#Diagnosis #Nephrology #Urine #Microscopy
corresponding urine ... Diagnosis #Nephrology #Urine ... Composition #Shapes #Table