646 results
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Microscopy and Casts ... Squamous Epithelial Casts ... Monomorphic RBCs - Dysmorphic ... RBCs - Granular Casts ... Urine #Microscopy #Casts
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria (RBC casts ... or dysmorphic RBCs
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
glomerulopathies • Causes ... vasculitis - Dysmorphic ... disease Renal Causes ... Mass Ureteral Causes ... and SMA - Can cause
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Urinalysis: presence of dysmorphic ... RBC’s, RBC/WBC casts
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
proteinuria, RBC casts ... , dysmorphic RBCs ... Nephrology if cause
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Calculi Glomerular (Dysmorphic ... RBCs and/or RBC casts ... Diagnosis #Algorithm #Causes
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
POCUS Amazing video ... significantly, it causes ... echogenic as in this case ... for underlying cause
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... or pigmented casts ... renal biopsy - Management ... treating underlying cause ... ultrasonography - Manaqement
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms causes ... PhysicalExam #clinical #video
Atlas of Urine Microscopy Findings
 • Epithelial cells - Normal
 • Renal tubular cells - Acute
urinary tract • Dysmorphic ... microscopy • Red cell casts ... • White cell casts ... infection • Hyaline casts ... disease • Granular casts