18 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... (Urinalysis or ... microscopic and ... #urology #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... → Urinalysis >3 ... → Refer to Nephrology ... if cause not identified ... #Diagnosis #Algorithm
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Urinalysis & Urine ... Microscopic exam ... • Urinary casts ... #Urinalysis #crystals ... #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 ... microscopy. ... #Causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Urine Microscopy Instructions - How to spin urine

1. Collect a fresh urine sample (5 – 10
Urine Microscopy ... the better, as casts ... perform a quick urinalysis ... #Urine #Microscopy ... #Nephrology #Preparation
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
: • Any cause of ... Pseudomonas • Meds ... dyes typically cause ... Differential #Diagnosis #urinalysis ... discoloration #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
CBC w/ diff - Urinalysis ... /microscopy/UOP/ ... weights - Urine ... AcuteKidneyInjury #AKI #Nephrology ... #Diagnosis #Algorithm
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... eosinophiluria, microscopic ... hematuria, mild ... Nephritis #AIN #Algorithm ... #nephrology #diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... Differential #Diagnosis #Algorithm