174 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Symptoms of UTI, urine ... WBCs, or urine ... → Urine culture ... Nephrology if cause ... #blood #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 ... #renal #urine #
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
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
differential, urine ... dipstick, urine ... osmolarity If cause ... Myeloma: serum / urine ... blood culture, urine
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria (Negative urine ... Proteinuria (Positive urine ... albuminuria) - Active urine ... Post-infectious GN - Bland urine ... Diagnosis #Algorithm #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
Causes of Abnormal Urine Colors - Differential Diagnosis
Blue-Green - Yellow - Orange - Pink - Red
Causes of Abnormal ... Urine Colors - ... White - Purple #Urine ... differential #diagnosis #causes
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
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
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