231 results
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal ... Urine Color - Differential ... Diagnosis Turbid White Urine ... * Green Urine: ... Syndrome - UTI caused
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
of UTI, urine WBCs ... , or urine nitrites ... → Urine culture ... Nephrology if cause ... urology #blood #urine
Lower Urinary Tract Infection: Pathogenesis and Clinical Findings

- Predisposing Factors:  Immunocompromised state, diabetes, elderly, female
urethra), stagnant urine ... systems, or stagnant urine ... repetitive outward urine ... Tenderness - Urine ... ) Foul, turbid urine
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: Red/Dark urine ... 1ml blood/liter urine ... more RBC/HPF spun urine ... examination of urine ... RBC - Brown urine
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Proteinuria (Negative urine ... Proteinuria (Positive urine ... albuminuria) - Active urine ... Post-infectious GN - Bland urine
Causes of Abnormal Urine Colors - Differential Diagnosis
Blue-Green - Yellow - Orange - Pink - Red
Causes of Abnormal ... Urine Colors - ... White - Purple #Urine ... differential #diagnosis #causes
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
Pathways of Purple Urine ... published in Purple Urine ... commonly grown in the urine ... #Pathophysiology ... #PUBS #Purple #Urine
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... E.coli*) + alkaline urine ... BrighamChiefs #Purple #Urine ... Syndrome #PUBS #pathophysiology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... Diagnosis Red Urine ... spinach) Orange Urine ... : • Any cause of ... dyes typically cause
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... 145 mmol/L High Urine ... • Hypertonic saline ... glucosuria Low Urine ... Diagnosis #Algorithm #Causes