21 results
Step by Step Algorithmic Approach to Pediatric Fever

Age < 21 days old (or 28 days for
Step by Step Algorithmic ... sensitivity) Leukocytes ... in the urine Procalcitonin ... Peds #Diagnosis #Management ... #Infant #Fever
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... have glomerular hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... • Confirm hematuria ... proteinuria, RBC casts ... #Diagnosis #Algorithm
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
• Ketones • Leukocyte ... • Urinary casts ... dipstick #nitrite #leucocyte-esterase ... #urine #UNa #casts ... #glucosuria #hematuria
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... triad (<10%): fever ... sterile pyuria, WBC casts ... eosinophiluria, microscopic hematuria ... Nephritis #AIN #Algorithm
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Differential Diagnosis Algorithm ... Pyuria - Leukocytes ... Bacteriuria & Hematuria ... Pyelonephritis - WBC Casts ... Bacteriuria & No Hematuria
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... blood cells on urine ... RBCs and/or RBC casts ... Differential #Diagnosis #Algorithm
“Step by Step” – the new kid on the block – aims to risk stratify this
an infant with fever ... >21 days - No leukocytes ... in urine - Procalcitonin ... #Diagnosis #Management ... Stratification #Fever
Lower Urinary Tract Infection: Pathogenesis and Clinical Findings

- Predisposing Factors:  Immunocompromised state, diabetes, elderly, female
urethra), stagnant urine ... - Dysuria - Fever ... Tenderness - Urine ... (+) Nitrites, Leukocyte ... +/- Hematuria (
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... • Exercise • Fever ... Proteinuria (Negative urine ... sediment - WBC/RBC casts ... Differential #Diagnosis #Algorithm