385 results
Causes of Abnormal Urine Colors - Differential Diagnosis
Blue-Green - Yellow - Orange - Pink - Red
Causes of Abnormal ... Urine Colors - ... Blue-Green - Yellow - Orange ... White - Purple #Urine ... differential #diagnosis #causes
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Diagnosis Red Urine ... rhubarb and spinach) Orange ... : • Any cause of ... red or orange urine ... dyes typically cause
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... the subnephrotic range ... but in severe cases ... be in nephrotic range
What the Color of Urine Can Tell You - Differential Diagnosis by Urine Color
Clear: excess water
Pale
What the Color of Urine ... Differential Diagnosis by Urine ... Amber: dehydrated Orange ... Purple (Purple Urine ... differential #diagnosis #causes
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal ... * Green Urine: ... : • Purple Urine ... Syndrome - UTI caused ... senna, red clover) Orange
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Nodosum #Mnemonic #Causes ... Differential #Diagnosis #Dermatology
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 ... Diagnosis #Algorithm #Causes
Laboratory Testing in Hemolytic Anemia

Intravascular vs Extravascular Hemolysis
Reticulocytes
Unconjugated bilirubin
LDH
Peripheral smear
Haptoglobin
Urine hemosiderin
Urine hemoglobin
Carboxyhemoglobin

#Hemolytic #Anemia #Laboratory #Testing #workup
Haptoglobin Urine ... hemosiderin Urine ... workup #diagnosis #hematology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... blood cells on urine ... RBCs and/or RBC casts ... day (nephrotic range ... Diagnosis #Algorithm #Causes