11 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of acute ... in a variety of acute ... and chronic kidney ... #nephrology #interpretation
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Simplified Approach to Acute ... evaluation? ... PROBLEM ~80% of AKI cases ... for WBCs, RBCs, casts ... LorinskyMD #AKI #Acute
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... repeat testing • Acute ... proteinuria, RBC casts ... → Refer to Nephrology ... if cause not identified
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
Diagnosis and Evaluation ... Identification of onset (acute ... vs. chronic) 2) ... history #Diagnosis #EM ... Differential #Algorithm #Ddxof
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... cardiac imaging #Acute ... Differential #Diagnosis #nephrology ... #causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
paraproteinemia, acute ... leukemia Measure Urine ... Malabsorption, Chronic ... Insulin/Glucose, Acute ... #phosphate #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... are seen in acute ... 34t5DgJ #Urinary #Casts
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the Evaluation ... of Chronic Diarrhea ... Causes of acute ... 1000 g/24 h) #Chronic ... management #algorithm #workup
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... postchronic hypercapnia (acute ... reversal of chronic ... dehydrogenase activity: Chronic ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
vast majority of cases ... 3 questions to work ... Measure urine osmolality ... correction of chronic ... demyelination syndrome