32 results
Metabolic Pathways of Purple Urine Bag Syndrome: Adopted from chart originally published in Purple Urine Bag
Pathways of Purple Urine ... Bag Syndrome: Adopted ... Bag Syndrome: A ... #Pathophysiology ... #Bag #Syndrome
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
sediment Microscopic ... sediment by microscopy ... disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... in tumor lysis syndrome ... independent of urine ... #Microscopy #Crystals
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Syndrome Chronic ... E.coli*) + alkaline urine ... #Bag #Syndrome ... #PUBS #pathophysiology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... of Tumor Lysis Syndrome ... Nephropathy (low urine ... nephropathy (high urine ... #TLS #Pathophysiology
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
to repair => Microscopic ... StressFractures #msk ... #orthopedics #pathophysiology
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome ... Suspected Cushing syndrome ... Cortisol, Free Urine ... Serum (or Cortisol Urine ... Free by LC-MS/MS
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
differential, urine ... dipstick, urine ... microscopy / urinary ... Abdominal compartment syndrome ... • Cardio-renal syndrome
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria (Negative urine ... • Fanconi's syndrome ... Proteinuria (Positive urine ... albuminuria) - Active urine ... polyangiitis (GPA) / microscopic
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... EricsMedicalLectures/ #Casts #Urine ... #Microscopy #nephrology