457 results
Leukocyte Esterase and Nitrites on Urinalysis
Leukocyte Esterase: Urinary tract infection, Indwelling urinary catheter, Recent instrumentation of
Leukocyte Esterase ... and Nitrites on Urinalysis ... Leukocyte Esterase ... EricsMedicalLectures/ #Leukocyte ... Nitrites #comparison #Urinalysis
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Urinalysis Testing ... Specificity - Leukocyte ... Microscopy) #Urinalysis
Urinalysis Interpretation (UA)

Bacteria, Leukocyte esterase, WBC, Nitrite, RBC, Epithelial 
cells, pH

#Diagnosis #Urinalysis #Interpretation #Analysis
Urinalysis Interpretation ... UA) Bacteria, Leukocyte ... #Diagnosis #Urinalysis
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Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine ... • Ketones • Leukocyte ... • Urinary casts ... #Urinalysis #crystals ... dipstick #nitrite #leucocyte-esterase
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
Diagnosis: History, urinalysis ... white blood cell casts ... or pigmented casts ... ultrasonography, urinalysis ... treating underlying cause
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... • Blasts > 10% leukocytes ... Splenomegaly • ↑ Leukocyte ... AML Dx: • ↑ Leukocyte ... differentiated leukocytes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
by microscopy (Urinalysis ... disease Renal Causes ... Mass Ureteral Causes ... and SMA - Can cause ... urinary tract) Causes
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
CBC w/ diff - Urinalysis ... rhabdo/TLS) Causes ... Diagnosis #Algorithm #Causes
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
calculi/infection - Urinalysis ... RBC’s, RBC/WBC casts
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria ... Algorithm Pyuria - Leukocytes ... Pyelonephritis - WBC Casts ... No Pyuria - No Leukocytes ... Diagnosis #Algorithm #Causes